Episodes

9 hours ago
9 hours ago
In this episode of Hydroponics Daily, we delve into the diverse world of greenhouse materials, crucial for optimizing your soilless cultivation setup. From polytunnels to traditional glasshouses, selecting the appropriate materials can influence factors such as insulation, light transmission, and longevity of your structure.
We examine the pros and cons of various materials like single pane glass, polycarbonate, acrylic, and the innovative Keder greenhouses. Discover the unique characteristics of each, including impact resistance, insulation properties, and cost-effectiveness, vital considerations for maximizing hydroponic growth and sustainability.
Join Dr. Russell Sharp as he shares insights on maintaining and enhancing greenhouse durability, contrasting traditional horticultural techniques with modern advancements. Whether you’re planning to build your hydroponic haven or upgrade existing setups, this episode offers valuable tips for achieving optimal growing conditions.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

2 days ago
2 days ago
In this episode of Hydroponics Daily, Dr. Russell Sharp delves into the world of growing cacti hydroponically. Despite the common challenges posed by root rot, the episode explores various methods that enthusiasts have tried, like deep water culture and ebb and flood, to successfully grow cacti without soil. Dr. Sharp also highlights the potential for commercial cultivation, especially focusing on the Opuntia species, known for its resilience. With insights into the required environmental conditions, nutrient levels, and innovative techniques for CO2 enrichment, listeners are invited to consider the untapped opportunities in hydroponic cacti cultivation.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

3 days ago
3 days ago
In this episode of Hydroponics Daily, Dr. Russell Sharp explores the fascinating intersection of hydroponics and pharmaceuticals. Discover how certain drug precursors can potentially be cultivated using soilless methods, offering consistent and higher yields of active ingredients compared to traditional farming. From the anti-cancer properties of hydroponically grown ginseng to the potential of other medicinal plants like artemisia and turmeric, the discussion delves into the science and advantages of precision nutrient control and year-round production. Dr. Sharp also addresses the challenges, such as regulatory hurdles and the need for specialized cultivation knowledge, highlighting both the opportunities and obstacles in this innovative agricultural domain.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

4 days ago
4 days ago
Welcome back to Hydroponics Daily, where we explore innovative uses of hydroponic systems beyond traditional farming. In this episode, we delve into the fascinating integration of hydroponics within zoos across the globe, highlighting its significant impact on animal welfare and nutrition. Discover how zoos like the Cincinnati Zoo and Botanical Garden and the Philadelphia Zoo are harnessing the power of soilless cultivation to feed their hungry residents year-round.
Learn about the benefits of using hydroponics in such unique settings, from ensuring a constant supply of fresh, nutrient-rich food to the educational opportunities it provides for visitors. We'll examine different hydroponic systems utilized in these environments, including vertical farms and shipping container farms, shedding light on their efficiency, sustainability, and role in conservation and education.
Join Dr. Russell Sharp as he shares insights and stories from pioneering zoos that have embraced hydroponics, and discover how this approach is transforming animal care. Whether you're a hydroponics enthusiast or new to the concept, this episode offers a captivating look at the future of zoo-based agricultural innovation.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

5 days ago
5 days ago
Explore the intriguing world of CRISPR gene editing in hydroponics with host Dr. Russell Sharp. This episode delves into the potential of CRISPR, also known as molecular scissors, to revolutionize soilless farming technologies. As a precise and cost-effective tool, CRISPR allows scientists to edit plant genes for enhanced nutrient uptake, stress tolerance, and disease resistance.
Understand why CRISPR is not considered traditional genetic modification, and discover its promising applications for improving crop yield and quality. Discover how gene edits could lead to faster, more efficient breeding cycles, and could pave the way for optimized hydroponic systems.
Dive into the debate on regulation and consumer acceptance, and imagine a future where CRISPR-engineered crops offer nutritional benefits and environmental advantages. Gain insights into the importance of embracing CRISPR advancements to meet the growing demands for sustainable food production.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

6 days ago
6 days ago
Welcome back to Hydroponics Daily, hosted by Dr. Russell Sharp, where we dive deep into one of the most notorious ailments affecting indoor crops: the grey mold, or botrytis cinerea. Although it poses more of a threat in outdoor cultivation, this resilient fungus can significantly impact your hydroponic systems, especially during post-harvest stages.
In this episode, Dr. Sharp explores the biology behind grey mold, its spread via airborne spores, and why it thrives under high humidity and wet conditions. He emphasizes the importance of sanitation, humidity control, and using tunnels to prevent rain splash in combating this pestilence. Discover various control strategies, including the role of fungicides, biological controls like Trichoderma harzianum, and the innovative UV irradiation methods being adopted by commercial farms.
Join us as we equip you with knowledge to identify and suppress this devastating fungus, ensuring the continuous thriving of your hydroponic crops. Don't miss out on these essential tips that could save your next harvest.
https://eutrema.co.uk/shop/pesticides-organic/chitosan-biofungicide/

7 days ago
7 days ago
Welcome back to Hydroponics Daily with Dr. Russell Sharp, where today we delve into the fascinating world of bioreactors and microalgae. These tiny, photosynthetic powerhouses are not only crucial for biofuels and wastewater treatment but also hold significant potential in hydroponic systems.
Join us as we explore the intricate systems of bioreactors, from open raceway ponds to advanced closed photobioreactors, and discover how microalgae absorb CO2 to thrive in high-density setups. We discuss the challenges and opportunities in microalgae cultivation, including the extraction of high-value pigments and omega fatty acids.
Discover how facilities can link bioreactors with industrial processes to reduce greenhouse gas emissions and explore the potential for microalgae as a sustainable alternative in various industries. With insights into innovative cultivation techniques and nutrient management, this episode is a must-listen for anyone interested in the future of soilless farming.
https://eutrema.co.uk/shop/soil-conditioners/ultimate-cal-mag/

Sunday Jul 20, 2025
Sunday Jul 20, 2025
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 it all. Whether you're dealing with soft water challenges or aiming for optimal nutrient balance, learn how CalMag can be a game-changer in your hydroponic endeavors.
https://eutrema.co.uk/shop/soil-conditioners/ultimate-cal-mag/

Saturday Jul 19, 2025
Saturday Jul 19, 2025
Welcome to Hydroponics Daily with Dr. Russell Sharp, where we move from yesterday's discussion on nitrogen to a culturally rich exploration of Chinese yams. Dr. Sharp recounts his journey to Japan—an unexpected hotspot for this tuberous delicacy—and delves into the possibilities of growing these perennial vines hydroponically.
Discover the intriguing aspects of Chinese yams: from their twin identity in Asian culture to their unique growth habits. The episode interlaces cultural insights with practical challenges and opportunities for hydroponic cultivators. Could growing Chinese yams hydroponically unlock new culinary avenues and sustainability innovations? Tune in to find out.
https://eutrema.co.uk/shop/soil-conditioners/ultimate-cal-mag/

Friday Jul 18, 2025
Friday Jul 18, 2025
In this episode of Hydroponics Daily, join Dr. Russell Sharp as we embark on a comprehensive exploration of nitrogen and its critical role in soilless cultivation. Discover why nitrogen is the most demanded nutrient for plant growth and learn about the different forms of nitrogen used in hydroponics like nitrates, ammonium, and urea. Each form has unique advantages and disadvantages, impacting factors such as pH balance, crop quality, and environmental footprint.
Dive deep into the chemical roles these nitrogen variants play, including their effects on plant physiology and potential interactions with other nutrients. Dr. Sharp also provides insights into the use of amino acids as biostimulants, highlighting alternative sources and methods for managing nitrogen efficiently.
This episode is a must-listen for hydroponic enthusiasts seeking to optimize nutrient management and enhance their understanding of nitrogen’s importance in plant health and productivity.
https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/