Shows
Hydroponics DailyCalMag: Essential Supplement or Overhyped Additive?Welcome to Hydroponics Daily with your host, Dr. Russell Sharp. In this episode, we delve into one of the most frequently recommended yet often misunderstood supplements in the hydroponics world: CalMag. Join us as we explore the essential role of calcium and magnesium in plant health, the common deficiencies they address, and why choosing the right CalMag supplement is crucial for successful soilless cultivation.
Dr. Sharp, the innovative mind behind Eutrema's renowned products, shares insights on the nuances of CalMag formulations. From tackling common misconceptions to revealing unique features of Utrema's own CalMag solution, this episode covers...2025-07-2010 min
Hydroponics DailyFlower Colour ManipulationWelcome to Hydroponics Daily with Dr. Russell Sharp, where today's episode delves into the fascinating world of manipulating flower colour and shape in hydroponics. While traditional methods of changing plant appearance through soil, nutrients, and light conditions exist, flowers often remain unchanged—until now.
Explore how scientists have discovered groundbreaking techniques to alter flower hues by optimizing temperature, light exposure, and pH levels. From the effect of high altitudes and LED lighting to the role of anthocyanins in hydrangeas, this episode provides practical advice for growers aiming to achieve deeper, more vibrant flower colors without genetic modification....2025-07-1509 min
Hydroponics DailySeed Coatings: The Untapped Potential in HydroponicsIn this episode of Hydroponics Daily, Dr. Russell Sharp ventures into the lesser-discussed realm of seed coating within hydroponic and horticulture practices, particularly in Europe and America. Discover the untapped commercial and scientific potential of seed dressings in enhancing the growth and resilience of plants without soil.
Dr. Sharp delves into various seed coating techniques that involve pigments, protective layers, and nutrient cocktails, highlighting their transformative impact on seed viability and plant vigor. The discussion spans the application of biostimulants, fungicides, and beneficial microbes, offering new possibilities for greenhouse growers and microgreen producers.
Learn about...2025-07-1414 min
Hydroponics DailyUnveiling the Power of Trichomes: Nature's HairlineWelcome to Hydroponics Daily, the podcast delving into the fascinating world of soilless cultivation. In this episode, Dr. Russell Sharp explores the intricate role of trichomes, the tiny hair-like structures on plants, in crop protection and enhancement.
Discover how trichomes, often mistaken simply as plant hairs, are essential in defending plants against pests, reducing water loss, and even influencing the aroma and potency of various crops. From cannabis and tomatoes to herbs like mint and basil, trichomes contribute to each plant's unique characteristics.
Learn about the different types of trichomes, such as glandular and non-glandular...2025-07-1313 min
Hydroponics DailyBananas: A New Frontier in Hydroponic Cultivation?Welcome back to Hydroponics Daily! In this episode, Dr. Russell Sharp breaks the news of Russia officially recognizing bananas as an agricultural crop, paving the way for research grants, commercial greenhouses, and essential subsidies. He discusses the implications for horticulturists in Russia, offering insights for those interested in growing hydroponic bananas worldwide.
Dr. Sharp delves into the fascinating biology of bananas, clarifying common misconceptions and explaining their true nature. He highlights the ideal growing conditions, emphasizing the environmental control required for greenhouse cultivation, particularly in cooler climates. Despite past challenges, he explores future prospects for hydroponic bananas...2025-07-1218 min
Hydroponics DailyHow Plants Transform Pollution Into NourishmentWelcome back to Hydroponics Daily! In this episode, Dr. Russell Sharp unveils a hidden dimension of plant nutrition that's transforming the way we view air pollution. While air pollution is often discussed in terms of its negative impact on health and climate, Dr. Sharp dives into the lesser-known ability of plants to absorb airborne pollutants, such as nitrogen oxides, ammonia, and sulfur compounds, directly through their leaves.
Discover how these pollutants are converted into essential nutrients and how this phenomenon is particularly useful for urban and industrial farming areas. Dr. Sharp explores the historical context, detailing how...2025-07-1115 min
Hydroponics DailyFree Samples and Exclusive Trade Deals with Eutrema!Welcome to another exciting episode of Hydroponics Daily, where we delve into new opportunities for hydroponic enthusiasts and professionals alike. In this episode, discover how to get your hands on free product samples when you purchase Eutrema products in the UK. Whether you're interested in liquid gold or seaweed extract, your purchase could lead to exciting new product trials.
For listeners outside of the UK, the episode highlights a significant opportunity to become a distributor or wholesaler of Eutrema's unique, premium hydroponic solutions. From innovative products like the triacontanol boost to the organic pond flocculant, there is...2025-07-1007 min
Hydroponics DailyHydroponic Water TreatmentWelcome to Hydroponics Daily, your go-to podcast for all things soilless cultivation. Today, we explore the crucial topic of water treatment in hydroponics. Discover the importance of pure water for plant growth and delve into three different water treatment methods: Reverse Osmosis, which offers unparalleled purity, but at a cost; the pitfalls of water softening and its detrimental effects on plants; and distillation, an old-school technique best suited for lab settings. Join us to learn which method suits your needs and why understanding water composition is vital for hydroponic success. Share this episode with friends who might be using...2025-07-0908 min
Hydroponics DailyKarrikins and Seed GerminationWelcome to another episode of Hydroponics Daily! Today, we dive deep into the perplexing world of Karrikins, fascinating chemicals in the smoke of burning plant materials that can significantly boost seed germination and plant development. Discover how they mimic the plant hormone strigolactone and help in forming mycorrhizal connections, potentially enhancing branching and overall plant health.
We also tackle the common confusion between silica and salicylic acid among our customers, explaining their distinct roles in plant strengthening and defense activation. Finally, hear about the ongoing struggles at Eutrema HQ, from sourcing mineral wool slabs to the challenges...2025-07-0809 min
Hydroponics DailyUnlocking Seed Potential: From Cyanide to NitratesWelcome back to Hydroponics Daily, the ultimate podcast for all your soilless cultivation insights. In this episode, we uncover the fascinating world of seed germination and the various chemicals that can enhance this process. From everyday compounds like bananas releasing ethylene, to unexpected elements like cyanide found naturally in seeds, we explore how these substances impact plant growth. We also discuss why some compounds such as abscisic acid inhibit germination and how to avoid growth-limiting conditions.
Intrigued by the many ways to promote seed growth? Discover the potential of hydrogen peroxide, sodium hypochlorite, and even the surprising...2025-07-0611 min
Hydroponics DailyChloramines - gassing off is not enough!Welcome to another episode of Hydroponics Daily! In today's discussion, Dr. Russell Sharp delves into the often-overlooked subject of dechlorination in hydroponics. Tap water, commonly used for its convenience, contains disinfectants like chlorine and chloramines, which can negatively impact both plant growth and beneficial microbial life.
The episode highlights the importance of understanding the difference between chlorines and chloramines, their role in water treatment, and the potential risks they pose to your hydroponic system. Dr. Sharp explores various methods for dechlorination, from natural gassing off to using commercial dechlorinators and carbon filters.
Learn about the...2025-07-0516 min
Hydroponics DailySeed 'Vigour' vs. 'Viability' - why it is crucial to know the differenceWelcome to Hydroponics Daily with Dr. Russell Sharp, where today’s episode delves into the critical differences between seed vigour and seed viability. These terms might sound similar, but they measure distinct seed characteristics essential for optimal growth in soilless cultivation systems.
Dr. Sharp, developer of numerous hydroponic innovations, explains how viability reflects whether a seed is alive and capable of germination, while vigour addresses the seed’s performance under various growth conditions. Tune in to learn how these factors impact plants from germination to harvest, particularly in automated systems where rapid growth is vital.
Disc...2025-07-0415 min
Hydroponics DailyInside the World of Pollen: A Deep Dive into Plant Reproduction and HydroponicsJoin Dr. Russell Sharp on Hydroponics Daily as he delves into the fascinating world of pollen. In this episode, discover the crucial role that pollen plays in plant reproduction and how you can manipulate it within your hydroponic setup. Learn about the diverse forms of pollen, from wind-dispersed grains to the intricate pollinia of orchids, and the significance of pollen in various scientific fields, including forensics.
Additionally, explore common pollination methods for controlled environments, such as hand pollination and the use of insects, and understand the importance of choosing the right approach for different crops.
2025-07-0313 min
Hydroponics DailyWhy Garden Centre Fertilizers Suck: The Truth Behind the LabelIn this episode of Hydroponics Daily, Dr. Russell Sharp, the creator of renowned fertilizers "Gold Leaf" and "Liquid Gold," addresses a common inquiry about why these products aren't available in garden centers. Dr. Sharp delves into the underlying reasons, including the focus on cheap, substandard ingredients commonly found in garden center fertilizers and the lack of essential nutrients like calcium and sulfur. He highlights the misconceptions surrounding seaweed extracts and the illusion of targeted fertilizers, such as those for tomatoes and orchids, often being merely diluted versions of a base product.
Dr. Sharp also emphasizes the drawbacks...2025-07-0212 min
Hydroponics DailyMASSIVE Greenhouse Collapses & GIVEAWAYWelcome to another episode of Hydroponics Daily! Today, we delve into three intriguing stories from the world of horticulture. First, we explore a mysterious incident in the Netherlands, where a nine-hectare modern greenhouse completely collapsed, yet miraculously, there were no injuries. What could have caused such a bizarre occurrence?
https://nos.nl/video/2572821-9-hectare-aan-kassen-ingestort-in-middenmeer
Next, we discuss the latest innovation from Cree LED—the X Lamp XPL Photo Red S Line, a product claiming to offer growers freedom from intellectual property disputes. This development points to a growing trend in the agricultural technology sector, re...2025-07-0107 min
Hydroponics DailyExtra Floral Nectaries - have you ever seen them?Welcome to Hydroponics Daily, where Dr. Russell Sharp delves into the fascinating world of extra floral nectaries. Discover the botanical wonders of these small but mighty glands that secrete sugar-rich nectar and play a crucial role in plant defense and pest management. Learn how these glands, found on over 4,000 plant species including okra, sunflowers, and beans, attract beneficial insects like ants, ladybirds, and parasitic wasps. Explore the potential for hydroponic growers to reduce pesticide reliance by leveraging extra floral nectaries as natural pest control agents. This episode offers insights into the dual role of these nectaries in indicating plant...2025-06-3009 min
Hydroponics DailyThe role of Gibberellins in HydroponicsWelcome to Hydroponics Daily, your ultimate guide to soilless cultivation, hosted by Dr. Russell Sharp. This episode dives into the fascinating world of gibberellins—plant hormones that play crucial roles in seed germination, stem elongation, flowering, and fruit development. Discover the history of gibberellins, from their early 20th-century discovery in Japan to their current applications in controlled environment agriculture. Learn about the various types of gibberellins, such as GA3, known as gibberellic acid, and how they influence different plant species depending on environmental conditions.
Dr. Sharp discusses both the beneficial applications of gibberellins—such as increasing grape size...2025-06-2915 min
Hydroponics DailyDyson's New Ferris Wheel Hydroponic systemIn this episode of Hydroponics Daily, Dr. Russell Sharp explores the fascinating world of Ferris wheel hydroponic systems, an innovation spearheaded by Dyson Farming in the UK. Known for their cutting-edge technology in household appliances, Dyson is now making waves in agriculture by integrating their engineering expertise into vertical farming. Discover how their Ferris wheel system is redefining strawberry cultivation, promising an impressive 250% yield increase through a combination of advanced lighting and nutrient technologies. Join us as we delve into the potential of this pioneering approach to sustainable agriculture.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
2025-06-2809 min
Hydroponics DailyChelationWelcome to an exciting joint podcast episode, hosted by Dr. Russell Sharp, featured on both Hydroponics Daily and Cereal Killers. This episode delves into the fascinating world of chelation, a crucial process for maintaining nutrient availability in plant cultivation, both in soilless and traditional farming.
Discover the intricacies of chelating micronutrients like iron, manganese, zinc, and copper, and the importance of choosing the right chelates to prevent nutrient deficiencies and enhance solubility in various pH environments. Learn about the common chelates like EDTA and their suitability across different systems and plants.
In an exciting revelation...2025-06-2712 min
Hydroponics DailyNanofertilizers in Hydroponics - what are their potential?Welcome to Hydroponics Daily, where we dive deep into the world of nanofertilizers in hydroponics. Join Dr. Russell Sharp as we explore the fascinating realm of particles sized from 1 to 100 nanometers and their potential to transform soilless cultivation.
This episode investigates how nanofertilizers enhance nutrient uptake efficiency, offering controlled release and greater root absorption. Discover the promising compounds like nano-silicon and boron, which strengthen plant cells and photosynthesis without pH issues or synthetic solvents. While their commercialization faces hurdles like particle aggregation and regulatory scrutiny, the potential advantages are immense.
Join the conversation on the...2025-06-2608 min
Hydroponics DailyHydroponic Moss CultivationIn this episode of Hydroponics Daily, Dr. Russell Sharp delves into the innovative world of growing moss hydroponically, a fascinating crossover between plant biology and modern indoor farming techniques. Learn about the "Moss in Prisons" project, a unique initiative aimed at engaging prisoners in sustainable moss cultivation, offering insights into the slow growth of moss and its environmental significance.
Discover how moss, often used in aquascaping, terrariums, biophilic designs, and eco-friendly applications, is a cornerstone in creating sustainable solutions and reducing wild moss harvesting. With moss thriving in moisture-retentive systems and requiring precise environmental control, this episode...2025-06-2509 min
Hydroponics DailyHydroponics for growing weed (actual weeds!)In this episode Dr. Sharp explores the unusual topic of growing weeds — specifically black grass — using hydroponics.
Key Points:
Why Grow Black Grass?
Black grass is the #1 arable weed in the UK, especially harmful to cereal crops like wheat and barley.
It’s resistant to herbicides and there are no GM crops in the UK to help control it.
Public is unaware of its impact because it doesn't affect home gardens — unlike more well-known weeds like Japanese knotweed.
Eutrema’s Approach:
Dr. Sharp’s company, Eutrema, is...2025-06-2414 min
Hydroponics DailyHydroponic Legumes?Welcome to another exciting episode of Hydroponics Daily with your host, Dr. Russell Sharp. Join us as we dive into the fascinating world of legumes and their potential in hydroponic systems. In this episode, we explore the complexities and benefits of growing peas, beans, and other legumes without soil. Discover how these crops are not only a source of plant-based protein but also a solution for sustainable agriculture and food security.
We also discuss the unique challenges of hydroponic legume cultivation, such as nutrient management and the role of beneficial microbes in nitrogen fixation. Learn about innovative...2025-06-2320 min
Hydroponics DailyHydroponic Potatoes: The Future of Tuber Cultivation?In this episode of Hydroponics Daily, Dr. Russell Sharp explores the exciting potential of growing potatoes without soil. With a focus on targeting listeners in Idaho, the world center for potato production, and North Dakota, the third-largest potato producer in the United States, Dr. Sharp delves into the benefits and challenges of cultivating potatoes hydroponically.
He explains the historical significance of potatoes, from the Great Famine in Ireland to their role in World War I, and discusses how pest and disease control are crucial in potato farming. Hydroponically grown potatoes can offer significant water savings and better...2025-06-2221 min
Hydroponics DailyPlastic Foams as a Hydroponic Growing MediumIn this episode of Hydroponics Daily, Dr. Russell Sharp delves into the controversial use of plastic foams as growing media in hydroponic systems. Despite their affordability, phenol formaldehyde resins come with significant environmental concerns, particularly their non-recyclability and potential to degrade into microplastics. Dr. Sharp weighs the pros and cons, comparing this material with more traditional options like cocoa and rockwool, and explores why its use remains limited. Whether you're a fan of innovative growing techniques or concerned about sustainability, this episode offers valuable insights into the complex world of soilless cultivation.
https://eutrema.co.uk/shop...2025-06-2109 min
Hydroponics Daily"Flushing" in Hydroponics: Essential Practice or Overhyped Tradition?In this episode of Hydroponics Daily, Dr. Russell Sharp explores the controversial topic of flushing in hydroponic systems. With the sweltering UK heat as a backdrop, he delves into the reasons why growers from different backgrounds, from lettuce to legal cannabis, might choose to incorporate flushing in their practices.
Dr. Sharp explains what flushing entails: running nutrient-free water through the system to remove excess salts and residues before harvest. He discusses its proposed benefits, such as improved flavor and aroma in crops, reduced harshness in smoking plants like legal cannabis, and the potential for lowering harmful nitrate...2025-06-2009 min
Hydroponics DailySeedling Establishment in Hydroponics: Tips and TricksWelcome to Hydroponics Daily! In this episode, we dive into the challenges of establishing seedlings in hydroponic systems. Explore various methods, from using mineral wool and volcanic rock to affordable DIY setups, ensuring efficient nutrient delivery and optimal growth conditions for a successful hydroponic garden. Learn how to avoid common pitfalls and maximize your plant's potential in this informative session.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
2025-06-1911 min
Hydroponics DailyDowny Mildew in HydroponicsIn this episode of Hydroponics Daily, Dr. Russell Sharp delves into the challenges posed by downy mildew, a common but often misunderstood threat to hydroponic growers. Downy mildew can devastate crops like lettuce, spinach, and legal cannabis, thriving in cool, humid conditions. Dr. Sharp explains how to identify this water mold, which presents as yellow spots on leaves, and provides practical advice on prevention and treatment. From controlling humidity to selecting resistant crop varieties, learn crucial strategies to protect your yield from this parasitic invader.
https://eutrema.co.uk/shop/pesticides-organic/chitosan-biofungicide
2025-06-1709 min
Hydroponics DailyGraft Chimeras - Amazing botanical curiositiesWelcome to an intriguing episode of Hydroponics Daily, where we delve into the captivating world of plant chimeras. Inspired by Greek mythology, these unique plants combine genetic materials, like the head of a lion, body of a goat, and tail of a dragon, resulting in bizarre and picturesque botanical wonders.
Learn about the history, formation, and propagation of chimeras, including famous examples like Adam's Laburnum and Dallimore's Chestnut. Discover how accidental genetic mixing during grafting can produce these rare phenomena and explore potential ways to creatively experiment with chimeras in your own garden.
Join us...2025-06-1617 min
Hydroponics DailypH in hydroponics - essentials and master tipsWelcome back to Hydroponics Daily! In this episode, we delve into the vital topic of pH in hydroponics, a subject surprisingly yet to be covered extensively in over 150 episodes. We explore the basics of pH, from the chemistry behind it to its pivotal role in nutrient availability for plants.
Discover the optimal pH range of 5.5 to 6.5 in hydroponics, where nutrients are most soluble, ensuring the health and growth of your plants. Learn how the pH scale's logarithmic nature can drastically impact nutrient absorption, why constant monitoring is crucial, and how to adjust pH levels sustainably. We also...2025-06-1517 min
Hydroponics DailyVariegated Plants - Charm and ChallengesWelcome to another episode of Hydroponics Daily, where Dr. Russell Sharp delves into the fascinating topic of plant variegation. Known for its unique and collectible appearance, variegation is a phenomenon cherished by houseplant enthusiasts but often shunned in outdoor gardening. In this episode, Dr. Sharp discusses the science behind variegation, including its genetic, viral, and environmental causes. He also explores the impact of variegation on plant growth and photosynthesis, sharing valuable tips on how to care for these beautiful but delicate plants. Whether you're a collector or a curious gardener, this episode offers expert insights into the world of...2025-06-1413 min
Hydroponics DailyRoot Aphids - unearthing a mysterious pestIn this episode of Hydroponics Daily, Dr. Russell Sharp delves deep into the world of root aphids, an often overlooked yet significant concern for hydroponic growers. Despite being poorly studied due to their subterranean nature, root aphids pose a unique challenge, particularly for legal cannabis cultivators in regions like Spain. Dr. Sharp explores their life cycle, why they are so difficult to diagnose and eradicate, and the impact they can have on crops, from ornamental plants like roses to vital plants like hemp.
The episode provides insights into identification, control measures, and prevention strategies, highlighting the importance...2025-06-1312 min
Hydroponics DailyDrones: Revolutionizing Hydroponics & HorticultureWelcome back to Hydroponics Daily! In this episode, we dive into the fascinating world of drones in hydroponics and horticulture, as showcased at Greentech Amsterdam. Discover how Corvus Drones and other innovators are redefining plant care with aerial technology, from monitoring germination rates to assessing environmental stress. Uncover the unexpected applications of drones, from security and greenhouse cleaning to disease detection and crop readiness. Join us as we explore the potential and limitations of drones in modern agriculture and the exciting future they promise to create for growers worldwide.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
2025-06-1212 min
Hydroponics DailyGreenTech 2025: What's new in the word of greenhouse technologyWelcome to Hydroponics Daily, where we explore the latest advancements in soilless cultivation. In this episode, take a journey with us to Amsterdam's GreenTech, a prominent trade show for greenhouses and hydroponics enthusiasts. Discover the shift in industry trends, from the decline of traditional fertilizer exhibitors to the rise of LED lighting manufacturers. Uncover the quirky and novel technologies that are changing the landscape of hydroponics, including biodegradable twine solutions, innovative geodesic dome displays, and nutrient-deficient plastic cannabis plants. Join us as we dive into the vibrant world of GreenTech, packed with fascinating insights and amusing anecdotes, for a...2025-06-1110 min
Hydroponics Daily'Lego' Hydroponic ProductsIn this episode of Hydroponics Daily, hosted by Dr. Russell Sharp, we delve into the world of 'Lego' hydroponic products, revealing why these seemingly innovative solutions are often less beneficial than they appear. Dr. Sharp cautions against the allure of multi-component products that promise extraordinary results but often just combine basic elements without truly adding value to your hydroponic system.
We discuss the misconceptions surrounding "tonic" and "potion" products, which are frequently overpriced and fail to deliver the promised benefits. Dr. Sharp highlights the importance of choosing individual components, such as seaweed extract and humic acids, over...2025-06-1006 min
Hydroponics DailyNature's Secret Code: The Fibonacci Influence on HydroponicsWelcome to Hydroponics Daily with Dr. Russell Sharp, where precision farming meets natural science. In this episode, we explore the intriguing influence of the Fibonacci sequence, a mathematical concept dating back to the 13th century, on modern hydroponic systems. Learn how Fibonacci's pattern, which appears throughout nature, can enhance plant growth, light capture, and spacing in your hydroponic garden. Discover practical ways to apply this natural code for optimizing plant health and yield, from leaf arrangement to fruit structure and even root branching. Join us as we delve into this fascinating intersection of mathematics and horticulture to unlock the...2025-06-0905 min
Hydroponics DailyAntitranspirants in Hydroponics?Welcome to another episode of Hydroponics Daily, where Dr. Russell Sharp delves into the seldom-addressed topic of antitranspirants in hydroponics. Although primarily used in general horticulture, these products offer strategic advantages in hydroponic settings, particularly for transplant success and disease prevention.
Explore the intricacies of how antitranspirants operate to reduce water loss through plant stomata and their practicality in specific scenarios, such as protecting young plants during transplantation in adverse weather. While beneficial in certain situations, the episode warns against prolonged use due to potential negative effects on photosynthesis and plant health.
https://eutrema.co...2025-06-0808 min
Hydroponics DailyHydroponic Tomatoes 101: The Secrets for Perfect GrowthJoin Dr. Russell Sharp in this exciting episode of Hydroponics Daily as he delves into the essentials of hydroponic tomato growing. Discover the importance of choosing the right tomato variety for your system, be it NFT or DWC, and learn top tips on pinching out, defoliating, and pollinating your plants for maximum yield.
Understand how consistent watering is key to preventing blossom end rot and the significance of monitoring your crops daily to catch any pests like whiteflies early. Dr. Sharp also shares insights into handle pollination using practical tools and the value of supporting your plants...2025-06-0711 min
Hydroponics DailyHydroponic Lawns: Is Soil-Free Turf the Future?Join Dr. Russell Sharp, the inventor of liquid gold, as he delves into the fascinating world of growing lawn grass and sports turf hydroponically. In this episode of Hydroponics Daily, discover how traditional sports pitches, typically layered with soil, can now be cultivated without it. A potential game-changer for water conservation and nutrient efficiency, dive into the possibilities of implementing recirculatory hydroponic systems on expansive sports fields, golf courses, and even tennis courts.
Explore the challenges and innovations around using LED grow lights and hybrid systems already present in many premium-grade sports venues. Learn about companies like...2025-06-0613 min
Hydroponics DailyUnveiling the REAL Truth About Silicon FertilizersIn this insightful episode of Hydroponics Daily, we delve into the world of silicon fertilizers, analyzing what's really inside them and their actual silicon contents. We investigated three popular products on the market—Eutrema's Sea-Silica, Shogun, and GrowGenius—to uncover the truth behind their labels.
Discover when to use each product effectively, whether you're a beginner, an organic grower, or dealing with pH issues in hydroponics. We'll also address widespread misconceptions in the industry, particularly the overuse and misunderstanding of the term 'monosilicic acid'.
Join us as we encourage peace and factual clarity in the hydr...2025-06-0510 min
Hydroponics DailyCarnivorous Plants: Can Hydroponics Support These Curious Plants?Welcome to Hydroponics Daily with Dr. Russell Sharp. In today's episode, we delve into the intriguing world of carnivorous plants, exploring their unique adaptations and evolutionary marvels. Learn about famous species like the Venus flytrap and pitcher plants, and discover how these plants derive nutrients from trapping insects.
Dr. Sharp discusses the potential and challenges of growing carnivorous plants hydroponically, offering insights into their specific environmental needs, including light, humidity, and water purity. Find out how passive wick or tray systems can support these plants in a semi-hydroponic setup.
We also explore fascinating topics like...2025-06-0420 min
Hydroponics DailyGuano: An Ancient Fertilizer For Organic HydroponicsIn this enlightening episode of Hydroponics Daily, Dr. Russell Sharp delves into the fascinating world of one of the oldest and most nutrient-rich natural fertilizers - guano. Discover its historical significance, from the Incas to its impact on American imperialism, and learn why it remains a potent choice in modern hydroponics, despite the rise of synthetic fertilizers.
Explore the nuances of seabird and bat guano, its nutrient profile, and the sustainability issues surrounding its harvest. Understand how guano stands out as a unique organic and vegan-friendly option for hydroponic growers, offering rapid nutrient availability and beneficial organic...2025-06-0312 min
Hydroponics DailyThe Kratky Method: Is it all it is kracked up to be?Welcome to Hydroponics Daily with Dr. Russell Sharp! In today's episode, we dive deep into the Kratky method of hydroponics, a unique system that requires no pumps or electricity. This passive, non-circulatory technique, developed by Dr. Bernard Kratky at the University of Hawaii, provides a minimal intervention approach to soilless cultivation.
Listen as Dr. Sharp discusses the benefits and limitations of this simple, low-cost method, ideal for fast-growing, small plants like lettuce and basil. Despite its straightforward nature, the Kratky method poses challenges such as potential algal growth and nutrient imbalances, making it crucial for growers to...2025-06-0209 min
Hydroponics DailyDechlorination - the simplest yield hack!In this episode of Hydroponics Daily, Dr. Russell Sharp explores the often-overlooked topic of dechlorinating tap water for hydroponic farming. Discover why chlorine, while beneficial for drinking water safety, poses significant risks to your plants and hydroponic systems.
Learn the science behind the negative impact of chlorine and chloramines on plant health, including the suppression of beneficial microorganisms crucial for soil biology. Dr. Sharp discusses the geographical variations in chlorine levels and identifies common plants that are particularly sensitive to chlorine exposure.
Explore practical solutions for removing chlorine from your water supply, including letting water...2025-06-0107 min
Hydroponics DailyPowdery Mildew - The main fungal disease of hydroponicsWelcome back to Hydroponics Daily! In today's episode, we delve into the pervasive issue of powdery mildew that plagues both grow room and greenhouse hydroponics. As the most common fungal disease in soilless cultivation, powdery mildew presents unique challenges, appearing as a white growth on leaves and exacerbated by high humidity and crowded environments.
Listen in as we explore the biology of this biotrophic fungus, its conditions for growth, and effective control measures. Discover how certain preventative strategies, such as quarantining new plant material and exploring biofungicides like chitosan, can keep your hydroponic systems healthy and productive.2025-05-3112 min
Hydroponics DailyHydroponic Saffron CultivationWelcome back to Hydroponics Daily! In this episode, we explore the fascinating world of saffron cultivation through hydroponics. Saffron, a highly valued spice, is grown from the stigmas and styles of the crocus flower. Our host delves into the science and process of growing saffron hydroponically, highlighting its potential for high value returns due to the efficient use of space in vertical farming.
Discover how saffron’s unique growth cycle can be managed to potentially increase crop yields throughout the year. Learn about the challenges of managing pests like mites and bulb rot, and the innovative solutions be...2025-05-3006 min
Hydroponics DailySilicon in HydroponicsIn this episode of Hydroponics Daily, host Dr. Russell Sharp explores the vital yet often overlooked element of silicon in hydroponics. Discover how silicon strengthens cell walls, enhances plant stress resistance, and acts as a natural deterrent to pests. While not considered an essential nutrient, silicon proves to be a game changer in hydroponic systems, particularly for plants such as grasses and bamboos. Learn about the benefits of silicon, its role in boosting trichome production, and the importance of using silicon additives in soil-less growing media. Prepare for next week's explosive episode where Dr. Sharp will reveal surprising truths...2025-05-2910 min
Hydroponics DailyHydroponic System Options: Recirculatory vs Run-to-WasteWelcome to Hydroponics Daily, your ultimate source for soilless and sustainable gardening insights. In this episode, Dr. Russell Sharp, the inventor of Gold Leaf Fertiliser, dives into the debate between recirculatory and run-to-waste hydroponic systems. Discover the ins and outs of closed-loop systems, known for water efficiency and nutrient reuse, and compare them to simpler run-to-waste systems that offer ease of management and simplicity. Dr. Sharp provides a balanced view of the advantages and challenges of each, helping both commercial and amateur growers make informed decisions. Tune in to learn how to maximize efficiency, reduce environmental impact, and choose...2025-05-2810 min
Hydroponics DailyGrowing Media Options - trial updateJoin Dr. Russell Sharp in this episode of Hydroponics Daily as he discusses the surprising results of a recent trial comparing different growing media for spring onions. Despite initial setbacks with coco as a substrate, it emerged as the top performer in germination tests. Dr. Sharp explores the role of water holding capacity in the success of hydroponic systems and delves into future trials with fertilizers and additives to enhance spring onion growth. Whether you're a hydroponics enthusiast or new to the field, this episode provides valuable insights into optimizing growth media for successful crops.
Sneak a...2025-05-2707 min
Hydroponics DailyThe Dirty Secrets of Organic Fertilizers in HydroponicsIn this episode of Hydroponics Daily, Dr. Russell Sharp explores the intricate world of organic fertilizers and their place in hydroponic systems. As the inventor of Gold Leaf Fertilizer—also known as Liquid Gold in the UK—Dr. Sharp delves into why hydroponics is conventionally not considered organic, due to its soilless cultivation method.
The discussion covers the controversies and allowances within organic farming regulations, particularly focusing on the use of fish emulsion, seaweed extracts, and other plant and animal byproducts. Dr. Sharp highlights the benefits and environmental considerations of different fertilizer components, while also addressing the mora...2025-05-2615 min
Hydroponics DailySunlight for hydroponic lighting in greenhouses and polytunnelsWelcome to Hydroponics Daily with Dr. Russell Sharp. In today's episode, we explore the benefits of using sunlight as the original grow light for your hydroponic setups, whether in greenhouses or polytunnels. Discover how to optimize sun exposure, considering factors like geography, shading, and photoperiodicity, to enhance photosynthesis and plant growth naturally.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
2025-05-2507 min
Hydroponics DailyLED Lighting in HydroponicsWelcome to another episode of Hydroponics Daily! Join Dr. Russell Sharp as he delves into the world of LED lighting, a pivotal element in modern hydroponic setups. Discover why most growers are transitioning from traditional lighting methods to energy-efficient LEDs, which promise lower power consumption, extended lifespan, and targeted light spectra to optimize plant growth. Learn about the pros and cons of LED use, potential cost implications, and tips for choosing the right LED system for your indoor garden. Whether you're a seasoned hydroponic grower or just starting, this episode offers valuable insights into making the best lighting choices...2025-05-2415 min
Hydroponics DailySodium vs. Metal Halide LampsIn this episode of Hydroponics Daily, we delve into the roles of sodium and metal halide lamps in hydroponic growing. Discover the differences between high-pressure and low-pressure sodium lamps, and why high-pressure versions were favored for plant growth despite their heat production. Learn about the advantages and limitations of metal halide lamps, including their popularity in America and their distinct white light.
We explore the implications of the LED revolution on these older technologies, including the decrease in their availability as manufacturers pivot to LED development. Despite their decline, sodium and metal halide lamps remain relevant for...2025-05-2307 min
Hydroponics DailyIncandescent and Fluorescent Bulbs in HydroponicsWelcome to Hydroponics Daily! In this episode, we dive into the fascinating world of lighting, a crucial element in hydroponics. We kickstart our series with a focus on incandescent and fluorescent light bulbs. Discover how these traditional lighting options, while often replaced in homes, still hold significant value in horticulture and nurseries for influencing photoperiods and supporting plant growth, particularly for photoperiodic plants like poinsettias and chrysanthemums.
Learn about the economic and practical implications of using incandescent bulbs to extend perceived daylight without triggering full photosynthesis, and the efficiency and utility of fluorescent lights in micropropagation and...2025-05-2216 min
Hydroponics DailyTerpenes, Terpenoids & IsoprenesIn this episode of Hydroponics Daily, delve into the fascinating world of plant chemistry as we explore isoprenes, terpenes, and terpenoids. Discover the roles these hydrocarbon compounds play in giving plants their unique flavors, scents, and stress responses. Understanding this chemistry can unlock new potential in modifying plant flavors and aromas, and even aid in addressing climate change by reducing isoprene emissions. Join us as we unpack these complex yet intriguing compounds, exploring their impact from natural rubber to bioactive nutrients like vitamins A and E.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
2025-05-2115 minHydroponics DailyRusset MitesIn this episode of Hydroponics Daily, Dr. Russell Sharp delves into the world of russet mites, particularly the hemp russet mite, which poses increasing challenges in hydroponic farming. Notoriously small and often misidentified, these arachnids demand attention for effective control.
Dr. Sharp explores the lifecycle, distinctive features, and common misconceptions about russet mites, while also offering practical tips for diagnosis and management. Predatory mites, UV light, and specialized sprays are highlighted as potential control methods.
The episode also offers insights into how these mites spread, emphasizing the importance of quarantine for new plants. Listeners are...2025-05-2009 min
Hydroponics DailyBattling Heat Stress in HydroponicsIn this episode of Hydroponics Daily, we delve into the pressing issue of heat stress as the UK experiences unseasonably warm and dry weather, with similar conditions affecting other regions as we approach summer. We explore why starting hydroponics in the winter is more advantageous, as summer poses challenges with increased environmental control needs, particularly heat stress.
We discuss optimal temperature ranges for most plants and what happens when temperatures exceed these ranges. Learn about the detrimental effects on plant health, including scorched leaves, malfunctioned fruits, and halted photosynthesis. We also offer essential advice on maintaining hydration...2025-05-1913 min
Hydroponics DailyThe 7 problems for legal cannabis growers on RedditWelcome back to Hydroponics Daily! Join us as we explore Reddit, known by some as the heart of the internet, but perhaps a different body part is more fitting (according to our colleague Matthew). We delve into the seven key issues repeatedly faced by legal cannabis growers, often asked by beginners on Reddit. Discover pitfalls like seedling stretch, calcium deficiencies, and distinguishing male flowers. Understand why knowing when to harvest is crucial, how to combat common pests like spider mites, and avoid overcrowding disasters. This episode is a must for anyone curious about the prevalent challenges in the realm...2025-05-1811 min
Hydroponics DailyMastering Humidity and VPDWelcome back to Hydroponics Daily! In this episode, we delve into the importance of managing humidity in hydroponic grow rooms and greenhouses. Discover how controlling humidity levels is crucial for preventing plant dehydration during propagation, limiting pests and diseases, and ensuring optimal growth conditions as plants mature.
We also explore the significance of Vapor Pressure Difference (VPD) and how it can be automated with commercial controllers for maintaining the ideal environment for various crops. Learn about the tools and techniques that can take your growing skills to the next level, including hygrometers, VPD charts, and advanced controllers...2025-05-1709 min
Hydroponics DailyPesticide Residues - the hidden benefit of hydroponicsIn this episode of Hydroponics Daily, explore how hydroponic gardening offers a safer, toxin-free way to grow your own produce. Delve into the challenges of conventional farming, such as pesticide and heavy metal residues, and learn how hydroponics can help control what goes into your food. Discover the benefits of cultivating plants in a controlled environment, ensuring the absence of potentially harmful chemicals. Whether you're an amateur or professional, gain insights into the advantages of hydroponics for cleaner, healthier produce.
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2025-05-1609 min
Hydroponics DailyClover Mites: ever heard of them? You've certainly seen them!Welcome back to Hydroponics Daily, where today’s episode dives into the world of clover mites. These bright red mites are often mistaken for the more problematic red spider mites, but they belong to an entirely different species. While clover mites are usually seen on lawns, walls, and stones, red spider mites are a known pest for crops, particularly in greenhouse and indoor hydroponic settings.
Despite their appearance, clover mites pose no significant threat to plants and generally stay outdoors, rarely causing indoor infestations. Host [Name] explains how these harmless mites are often wrongly feared and discusses wh...2025-05-1503 min
Hydroponics DailyUV Light in Hydroponic GrowingIn this episode of Hydroponics Daily, we delve into the fascinating world of ultraviolet (UV) light and its diverse impacts on plant growth. While UV light can pose some risks, it also plays a vital role in enhancing plant resilience and pigmentation.
Discover how plants have evolved to cope with UV exposure and the significance of defense mechanisms like trichomes and anthocyanins. Learn about the strategic use of UV light in hydroponics to influence plant traits, from controlling pollination to improving antioxidant levels. This episode sheds light on the balance between utilizing UV light as a beneficial...2025-05-1409 min
Hydroponics DailyWhat is Arabidopsis?Welcome to Hydroponics Daily! In this episode, we dive into the fascinating world of Arabidopsis thaliana, also known as stalecress. Though often overlooked as a common weed, Arabidopsis plays a crucial role in plant science as a model species. Discover why scientists favor this unassuming plant for genetic research and how its quick life cycle and manageable genetic structure make it ideal for diverse experiments.
Learn how Arabidopsis, belonging to the brassica family, contributes to advancements in both fundamental plant science and agricultural practices. Delve into its relationships with other plant species, including crops and weeds, illuminating...2025-05-1307 min
Hydroponics DailyThe Truth About Rooting Hormones: What You Need to Know for HydroponicsWelcome to another episode of Hydroponics Daily! In this enlightening discussion, we delve into the world of hormone powders and gels, critical aides in rooting plant cuttings. However, with a myriad of products on the market, it's vital to discern which products are genuinely beneficial and which are mere gimmicks.
We take a closer look at common plants like tomatoes and basil, which often don't require rooting hormones to thrive, and explore how certain plants, like rhododendrons, benefit significantly from these products. We also uncover the science behind rooting hormones, highlighting the role of auxins and the...2025-05-1214 min
Hydroponics DailyHydroponic Insights from Google TrendsIn this episode of Hydroponics Daily, we dive into the fascinating world of Google Trends to uncover insights about the hydroponics sector post-COVID. Our host revisits previous discussions on hydroponic trends and explores how search behaviors have shifted over the years.
Find out how the pandemic influenced interest in hydroponics and germination, with notable peaks and declines in search activity. We also discuss the implications of these trends for businesses in the horticulture industry, likening them to the challenges and opportunities of sailing against the wind.
Join us as we examine the rise and fall...2025-05-1106 min
Hydroponics DailyGreen Walls, Vertical Gardens & Green CurtainsIn today's episode of Hydroponics Daily, we dive into the captivating world of green walls, also known as vertical gardens. Not to be confused with vertical farms, these innovative gardens redefine space by growing plants vertically on walls, providing a unique aesthetic and functional appeal. Originating in the late 1980s, vertical gardens gained momentum due to the pioneering work of Patrick Blanc from the French National Center for Scientific Research.
Discover how these gardens, featuring ornamental and non-woody plants, integrate into indoor and outdoor settings in metropolises like Tokyo, London, and New York. As we spotlight Liverpool...2025-05-1009 min
Hydroponics DailyAlternatives to Rock Wool in NFT SystemsWelcome to Hydroponics Daily! In today's episode, we delve into the world of alternatives to rock wool in NFT hydroponic systems. Originally developed for the construction industry, rock wool has its disadvantages when used in hydroponics. We explore various eco-friendly and reusable options like glass wool, volcanic rock, sand, and pumice, offering insights into their benefits and challenges. Discover how organic and synthetic-free approaches, along with innovative materials like polystyrene beads and recycled textiles, are shaping the future of sustainable hydroponic cultivation. Tune in to learn about the best practices and emerging technologies for a greener hydroponic ecosystem!
2025-05-0910 min
Hydroponics DailyWhat are Stipules and Bracts?Welcome to today's episode of Hydroponics Daily, where we delve into the fascinating world of plant anatomy. Our focus is on stipules and bracts, often mistaken for flower parts but essential components of many plants.
We explore how bracts, such as those found in bougainvillaea and poinsettias, are specialized leaves associated with flowers, often more notable for their vibrant colors than the flowers they accompany. These bracts play critical roles not only in aesthetics but also in plant protection and resilience, notably in ornamentals and crops like hops and cannabis.
Additionally, we examine stipules, small...2025-05-0808 min
Hydroponics DailyHybrid Growing TechniquesWelcome back to Hydroponics Daily with Dr. Russell Sharp as he delves into the innovative world of hybrid growing. This episode explores the concept of starting crops in a grow room and transitioning them outdoors, extending the growing season and enhancing yield. Learn about Dr. Sharp's successful experiments with tomatoes and chilies, and the potential for hybrid growing in diverse crops like strawberries and hops. Discover how this technique can offer a longer growth period and how to manage it effectively to prevent transplant shock. Tune in to explore why hybrid growing is a promising yet underutilized method in...2025-05-0705 min
Hydroponics DailyShipping Container Farming and the Fait of Freight FarmsIn this episode of Hydroponics Daily, Dr. Russell Sharp discusses the sudden downfall of Freight Farms, a prominent name in the controlled environment agriculture industry. Valued at 147 million dollars just this year, Freight Farms captured attention by selling modular container farms for small-scale, optimized hydroponic growth. However, aggressive scaling, financial challenges, and unfulfilled orders have driven the company into bankruptcy.
With over 600 containers sold in 40 countries, Freight Farms was not only shipping innovative farming solutions but also the software to manage them. The bankruptcy has left a community of customers scrambling to maintain operations. As Dr. Sharp...2025-05-0610 min
Hydroponics DailyHumic & Fulvic AcidWelcome to another episode of Hydroponics Daily with Dr. Russell Sharp. Today's episode dives into the fascinating world of humic and fulvic acids—key biostimulants and additives in fertilizers that are capturing attention due to a surge in demand. Explore how these substances, extracted from organic matter, offer significant benefits to both soil and hydroponic environments.
Learn about the unique properties of humic and fulvic acids, their roles in enhancing plant growth and soil health, and the complexities behind their chemical structures. Dr. Sharp also provides essential tips on avoiding dilute products and maximizing the effectiveness of th...2025-05-0510 min
Hydroponics DailyToadstools in your coco substrate?Welcome back to Hydroponics Daily! In today's episode, we delve into the mysterious world of toadstools and mushrooms that can unexpectedly sprout in your grow media or compost. Many might panic, fearing disease, while some might mistakenly believe these are beneficial mycorrhizal fungi. However, the reality is different.
We explore the most common species, the yellow Flowerpot Parasol, providing insights into its nature, impact, and the myths surrounding its presence. While it's toxic and not fit for consumption, it poses no threat to your plants. Instead, it feeds on decomposing organic matter in your grow media, serving...2025-05-0409 min
Hydroponics DailyThe Microgreens Boom: From COVID Craze to Nutrient PowerhouseJoin Dr. Russell Sharp on Hydroponics Daily as he delves into the world of microgreens, a thriving sector in hydroponics and indoor growing. Discover how microgreens became a booming side hustle during COVID-19, thanks to their high nutrient value and low cultivation efforts.
Learn why certain microgreens like broccoli and radish gained immense popularity after being featured on major platforms like the Joe Rogan Experience. Dr. Sharp also introduces the lesser-known golden popcorn microgreens and shares insights on growing techniques, including the benefits of using gold leaf nutrient solution.
Explore the health benefits of microgreens...2025-05-0310 min
Hydroponics DailySpeed Breeding with HydroponicsWelcome back to Hydroponics Daily! On this relaxed and festive bank holiday in the UK, as we share a strong cider, we delve into the groundbreaking concept of speed breeding using hydroponics. This episode explores how this innovative technique accelerates plant breeding, particularly presenting its significance in crop development such as wheat and other cereals.
Discover how NASA's research in Utah laid a foundation for hydroponic advancements and how current researchers are pushing the boundaries with new gene-selective methods. While traditional agriculture takes years to develop new varieties, hydroponics offers a method to significantly reduce this time...2025-05-0208 min
Hydroponics DailyMicropropagation (tissue culture)Join Dr. Russell Sharp on Hydroponics Daily as he delves into the fascinating world of micropropagation, a powerful technique that enables the cultivation of plants from small tissue samples under sterile conditions. Learn how micropropagation is revolutionizing the propagation of rare and challenging plant species, and its vital role in increasing plant resilience against diseases.
Explore the scientific intricacies of creating a micropropagation lab, the essential techniques for ensuring sterility, and the potential for inducing beneficial mutations. Discover the success stories of rare plant species brought back from the brink of extinction, and the promising future of...2025-05-0123 min
Hydroponics DailyPolyploidyWelcome to Hydroponics Daily with Dr. Russell Sharp. In this episode, we dive into the intriguing world of polyploidy in plants. Discover the complexities of plant chromosomes and learn how polyploidy can lead to larger, more resilient plants—at your own risk. We explore methods like ultrasound and colchicine that can induce polyploidy and discuss its potential benefits and downsides in horticulture.
Dr. Sharp also shares updates on the continuing challenges with hops research and teases the upcoming topic of micropropagation. Tune in to learn, explore, and stay updated on the latest in plant science and hydroponics in...2025-04-3013 min
Hydroponics DailyTalking and Playing Music to PlantsIn this episode of Hydroponics Daily, Dr. Russell Sharp delves into the intriguing topic of whether talking to your plants and playing music can influence their growth. The discussion reviews historical and modern perspectives, including scientific experiments by Korean and Indian researchers that suggest specific sound frequencies might affect plant genes and growth. A unique segment explores the potential of using ultrasonic frequencies as an alternative to synthetic growth regulators, based on experiments conducted in Bulgaria. The episode also provides updates on ongoing spring onion trials in different growing media, aiming to present findings at an upcoming trade show...2025-04-2909 min
Hydroponics DailySeed Storage -In this episode of Hydroponics Daily, Dr. Russell Sharp delves into the intricacies of seed storage, a topic crucial for hydroponic enthusiasts. Discover which seeds are unsuitable for storage due to their recalcitrant nature and learn how to properly store non-recalcitrant seeds to maintain their viability.
Dr. Sharp guides listeners through the process of determining the ideal conditions for seed storage, emphasizing the importance of dryness, temperature, and darkness. He discusses the dangers of mutations over time and offers insights into the practices used by global seed banks. Whether for academic study or practical application, this episode...2025-04-2814 min
Hydroponics Daily"Forced" VegetablesIn this intriguing episode of Hydroponics Daily, Dr. Russell Sharp takes listeners on a fascinating journey into the world of forced vegetables. Covering the mysterious Rhubarb Triangle in Yorkshire, where 90% of all forced rhubarb is grown, Dr. Sharp explains the intriguing process of etiolation. This process turns plants white in darkness, producing deliciously succulent stems.
Listeners will learn about the history and techniques behind forcing vegetables like rhubarb, asparagus, and hop asparagus, highlighting their culinary appeal and market value. The episode also sheds light on the hydroponic cultivation of chicory, known as "hydro witloof," and its significance...2025-04-2708 min
Hydroponics DailyTop 5 Hydroponics Products to Avoid: A Critical ReviewWelcome to another eye-opening episode of Hydroponics Daily. In today's discussion, we dive into personal opinions on the five worst products within the hydroponics industry. We examine unreliable eBay grow lights, sodium-based plant washes, undecipherable plant tonics, inadequately sealed grow tents, and unnecessary flush products. Each of these items is scrutinized for their flaws and potential impacts on plant growth. Join the conversation and decide for yourself whether these products are as ineffective as claimed. Don't miss out on the lively debates and insights shared in this episode.
https://eutrema.co.uk/shop/pesticides-organic/eutrema-insecticidal-soap-sodium-free/
2025-04-2605 min
Hydroponics DailySlugs and Snails in Hydroponics?!?!?!In this episode of Hydroponics Daily, Dr. Russell Sharp dives into an unexpected issue within hydroponic systems: slugs and snails. A recent inquiry from a customer highlighted these pests infiltrating a nutrient film technique (NFT) system, causing havoc despite common preventative measures.
Dr. Sharp explores various solutions, from beneficial nematodes to the ferric phosphate product, "Slugger," discussing their efficacy and potential drawbacks. He also examines the role of weather and environmental conditions in the slug invasion, highlighting the challenges in controlling these pests.
Listeners are encouraged to explore the differences between slug deterrents, with practical...2025-04-2512 min
Hydroponics DailyScrubbers: Cleaning the Air in HydroponicsWelcome to another episode of Hydroponics Daily with Dr. Russell Sharp. Today, we delve into the intriguing world of chemical scrubbers in horticulture. Discover the essential role these scrubbers play in removing harmful ethylene gas, a plant hormone with potential negative effects on crops like tomatoes, which may lead to wilting and leaf drop.
Learn about the process of using potassium permanganate solutions to cleanse the air in greenhouses, and explore alternative methods to control ethylene levels. Dr. Sharp also discusses which crops benefit from these scrubbers and advises growers on when not to use them, especially...2025-04-2405 min
Hydroponics DailySetting up a medium-sized NFT SystemWelcome to Hydroponics Daily with Dr. Russell Sharp. In this episode, we delve into the essentials of setting up a medium-sized Nutrient Film Technique (NFT) hydroponic system in the Utrema laboratories. Dr. Sharp discusses transitioning from cocoa to NFT systems to manage aphid infestations and increase plant yield while optimizing grow space.
Learn about the benefits of NFT systems, the setup process using everyday materials like guttering, and how to maintain your system to avoid common pitfalls like pump failures. Discover techniques to keep your growing environment sterile and productive, including the integration of UV filters and...2025-04-2309 min
Hydroponics DailyThe True Origins of HydroponicsIn this episode of Hydroponics Daily, Dr. Russell Sharp takes us through the fascinating history of hydroponics, debunking common misconceptions along the way. Contrary to popular belief, the practice didn’t start with the Hanging Gardens of Babylon. While ancient Babylonian horticulture involved groundbreaking irrigation techniques, it lacked the soilless cultivation we associate with modern hydroponics.
We travel through time, visiting 17th-century experiments with water-grown plants, to Professor William Frederick Gericke’s groundbreaking work in the 1930s that truly established hydroponics as we know it today. Gericke’s innovations paved the way for modern crop production, crucial contri...2025-04-2207 min
Hydroponics Daily7 Game-Changing Benefits of HydroponicsIn this episode of Hydroponics Daily, we delve into the transformative benefits of hydroponic farming, setting the stage for a revolution in modern agriculture. Explore how hydroponics allows for increased crop yields and out-of-season production, positioning it as the go-to method for commercial growers seeking to maximize efficiency and profit.
Learn about the significant reduction in soil-borne diseases and the optimization of fertilizer regimens, making hydroponics not only more productive but also healthier for consumers. Discover the innovative solutions hydroponics provides for contamination challenges and how its lightweight nature opens up agricultural possibilities in unexpected places.
2025-04-2111 min
Hydroponics DailyRe-Vegging / rejuvinating your cropWelcome back to Hydroponics Daily! In today's episode, we explore the fascinating process of re-vegging plants. Discover how certain hydroponic crops can be reverted from their mature, flowering state back to their juvenile form. While challenging, this technique offers unique advantages, such as preserving specific genetics and optimizing desirable traits.
Join us as we delve into the methods of re-vegging, including the importance of maintaining long daylight periods and carefully pruning plants to encourage the emergence of juvenile tissues. We'll also discuss the limitations and reasons why re-vegging is not commonly used for multiple crop cycles.
2025-04-2004 min
Hydroponics DailyVertical Farming Shake-Up: Major Players Go BustWelcome back to Hydroponics Daily with Dr. Russell Sharp! In this episode, we delve into recent developments in the vertical farming sector, focusing on the collapse of major players like the Jones Food Company, which has gone into administration in the UK. Explore the challenges faced by unicorn companies such as Plenty and Bowery, who once led the industry but have now ceased operations. Dr. Sharp discusses the factors contributing to this trend, including shifting investment strategies and the pressing need for unique business models in an industry with tight profit margins. Join us as we analyze the future...2025-04-1904 min
Hydroponics DailyGrowing Extreme Hot ChilliesIn this episode of Hydroponics Daily, we delve into the challenging but rewarding world of growing extremely hot chilli plants, such as the notorious Carolina Reaper and other varieties boasting over a million Scoville heat units. Learn the secrets to germinating these fiery plants, including optimal temperature conditions and scarification techniques.
Discover the ideal indoor environments and hydroponic systems that facilitate growth, and hear about the experiences of starting your chilies off indoors to protect them from cold damage. We'll also cover common pests like whiteflies and aphids, and how to maintain ideal airflow to promote healthy...2025-04-1810 min
Hydroponics DailyTips for your first hydroponic growIn this episode of Hydroponics Daily, Dr. Russell Sharp continues his guidance for first-time growers. We move from the checklist of essentials to exploring the common pitfalls beginners face and the expert tips to overcome them.
Dr. Sharp emphasizes the importance of establishing a good relationship with a local grow shop to benefit from their expertise, rather than relying solely on online purchases. Patience in seed germination and thorough, regular pest checks are highlighted to ensure a successful start.
The episode stresses the necessity of maintaining a stable temperature and monitoring plant nutrition without excessive...2025-04-1713 min
Hydroponics DailyBeginner's Checklist for Hydroponic SuccessWelcome to Hydroponics Daily with Dr. Russell Sharp. In today's episode, we dive into the essentials every beginner needs to kickstart their hydroponic journey. From understanding the optimal season to start your indoor grow, to choosing the right equipment like grow tents, LED lights, and circulatory fans, Dr. Sharp covers it all. Learn about the importance of using the right growing medium, selecting the best seeds, and the must-have nutrients to ensure a successful harvest.
Join us as we simplify the process, helping you avoid common pitfalls, and set you on the path to becoming a confident...2025-04-1614 min
Hydroponics DailyFungus Gnats: a major pest in hydroponics and houseplantsJoin Dr. Russell Sharp on this episode of Hydroponics Daily as he delves into the world of fungus gnats, a pervasive pest in hydroponics, houseplants, and horticulture. Discover their life cycle, learn effective control methods, and explore innovative solutions in development at Eutrema laboratories. Find out how to optimize your watering techniques and choose the right soil amendments to minimize these pests. Plus, stay tuned for an exciting new invention that promises to revolutionize fungus gnat management.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
2025-04-1410 min
Hydroponics DailyAir Flow for Hydroponic SuccessIn this episode of Hydroponics Daily, Dr. Russell Sharp delves into the often overlooked yet crucial component of air movement in grow rooms and greenhouses. While many beginners focus on lighting and nutrients, Dr. Sharp emphasizes the importance of good airflow for healthy plant growth and prevention of fungal diseases.
Understanding the role air movement plays in circulating stale air and maintaining uniform environmental conditions, this episode provides insights into different fan types and their applications. Dr. Sharp offers practical tips on fan placement and highlights safety issues related to electrical components in grow rooms.
...2025-04-1307 min
Hydroponics DailyLaughable Hydroponic Fails from Dr. Russell SharpJoin Dr. Russell Sharp on Hydroponics Daily as he candidly shares his personal hydroponic blunders, proving that even experts are not immune to mishaps. From mistaking common growing issues for unique plant features to accidentally killing rare plants, Dr. Sharp's anecdotes are both entertaining and educational.
In this episode, he hilariously recounts seven epic fails, including a costly car breakdown due to transporting mulch and an unexpected aphid infestation despite following conventional wisdom. Learn from his mistakes as he provides valuable insights into avoiding these common pitfalls in your own hydroponic journey.
https://e...2025-04-1211 min
Hydroponics DailyPhosPHITE: Unlocking Root Growth SecretsIn this episode of Hydroponics Daily, Dr. Russell Sharp delves into the world of phosphites, exploring their unique properties and significance in hydroponic systems. Often confused with phosphates, phosphites play a crucial role in promoting extensive root systems, particularly in crops like potatoes. While some claims suggest additional pest control benefits, the primary strength of phosphites lies in their ability to stimulate root growth effectively.
Dr. Sharp also addresses the controversial aspects of phosphite usage, from EU bans to misconceptions about their role as a phosphorus source. The episode provides valuable insights into different biostimulants available for...2025-04-1108 min
Hydroponics DailyExploring the Fascinating World of FasciationWelcome back to Hydroponics Daily with Dr. Russell Sharp, where today we delve into the intriguing phenomenon of fasciation. Fasciation occurs when a plant’s developing bud is damaged, causing abnormal and often captivating growth patterns. From bulging stems to elongated flowers, fasciation alters plant structures, sometimes turning them into fascinating collector’s items. Learn about the natural and human-induced causes of fasciation, and discover how this phenomenon is both a gardener’s challenge and a unique selling point in the horticultural world.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/
2025-04-1006 min
Hydroponics DailyHouseplants - care at home & opportunities for commercial cultivationWelcome to Hydroponics Daily with Dr. Russell Sharp. In this episode, Dr. Sharp dives into the world of houseplants, offering valuable advice for everyone from beginners to experienced growers. Learn how to avoid the most common mistakes, such as overwatering, and discover tips for thriving houseplants even in winter. Dr. Sharp also discusses the fascinating world of rare and variegated houseplants and shares insights for those looking to cultivate houseplants commercially. Tune in for expert advice on nutrients, pest control, and creating optimal conditions for your indoor garden.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser
2025-04-0924 min
Hydroponics DailyDid IKEA's fail at hydroponics?Welcome back to Hydroponics Daily with Dr. Russell Sharp, the inventor of Gold Leaf fertilizer. In today's episode, Dr. Sharp explores IKEA's foray into the world of hydroponics with their 2016 launch of hydroponic equipment, including the VÄXER unit. Despite high hopes for promoting home-grown vegetables, the venture was short-lived. Dr. Sharp shares personal experiences using IKEA's kits, highlighting their quality and affordability. While the hydroponic units brought unlikely customers into IKEA, questions remain about their ultimate success. Discover why Dr. Sharp wishes for a revival of these units and the potentially missed opportunity of incorporating Gold Leaf fertilizer.2025-04-0808 min
Hydroponics DailySticky Solutions: the Science Behind TrapsIn this insightful episode, Dr. Russell Sharp discusses the intricacies of pest control using various types of sticky traps. Discover how yellow traps play a pivotal role in attracting and controlling aphids and other flying pests due to their color, which signals plant sickness to these insects.
Dr. Sharp delves into the chemistry behind the stickiness, highlighting a particular substance known as polybutene, famous for being one of the stickiest synthetic compounds. Learn about the practical applications of these traps in greenhouses and the surprising difficulties faced during their manufacturing process.
The episode further expands...2025-04-0709 min
Hydroponics DailyInlet Filters- The Unsung Hero of Hydroponics?Welcome to Hydroponics Daily, where today's brief episode delves into the importance of inlet filters in your grow room. While outlet filters are commonly used to control odors, inlet filters play a crucial role in keeping out unwanted pests and some diseases. Discover why positioning your inlet ducting high can prevent pests that can't fly very high, and learn about the simple solution of using a mesh filter made from tights to block insects.
Moreover, explore how an inlet filter can prevent pest-transferred viruses from entering your grow room, ensuring a healthier environment for your plants. However...2025-04-0606 minHydroponics DailyExtracting gold from plantsIn this intriguing episode of Hydroponics Daily, Dr. Russell Sharp delves into the remarkable story of Fritz Haber, the man behind the Haber-Bosch process. Despite saving billions from starvation through the invention of nitrogen fertilizer, Haber's reputation remains controversial due to his involvement in chemical warfare. This episode explores Haber's lesser-known venture to extract gold from seawater and his miscalculations that led to its impracticality.
Dr. Sharp shifts focus to the fascinating world of hyperaccumulator plants. These unique plants can absorb significant amounts of metals, including precious ones like gold. He explains how certain species, such as...2025-03-2208 min