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PODCAST

Hydroponics Daily

Daily clips of hydroponic science throughout the whole of 2025 Presented by Dr Russell Sharp Brought to you by the team behind Gold Leaf - seed to harvest with just one bottle of feed.

leisure home & garden

All Episodes

17:23

pH in hydroponics - essentials and master tips

Hydroponics Daily ·

2025/06/15

Welcome 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

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13:23

Variegated Plants - Charm and Challenges

Hydroponics Daily ·

2025/06/14

Welcome 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

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12:46

Root Aphids - unearthing a mysterious pest

Hydroponics Daily ·

2025/06/13

In 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

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12:03

Drones: Revolutionizing Hydroponics & Horticulture

Hydroponics Daily ·

2025/06/12

Welcome 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

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10:28

GreenTech 2025: What's new in the word of greenhouse...

Hydroponics Daily ·

2025/06/11

Welcome 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,

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06:31

'Lego' Hydroponic Products

Hydroponics Daily ·

2025/06/10

In 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

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05:42

Nature's Secret Code: The Fibonacci Influence on...

Hydroponics Daily ·

2025/06/09

Welcome 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

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08:02

Antitranspirants in Hydroponics?

Hydroponics Daily ·

2025/06/08

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

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11:22

Hydroponic Tomatoes 101: The Secrets for Perfect Growth

Hydroponics Daily ·

2025/06/07

Join 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

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13:08

Hydroponic Lawns: Is Soil-Free Turf the Future?

Hydroponics Daily ·

2025/06/06

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

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10:40

Unveiling the REAL Truth About Silicon Fertilizers

Hydroponics Daily ·

2025/06/05

In 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,

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20:01

Carnivorous Plants: Can Hydroponics Support These...

Hydroponics Daily ·

2025/06/04

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,

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12:12

Guano: An Ancient Fertilizer For Organic Hydroponics

Hydroponics Daily ·

2025/06/03

In 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

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09:55

The Kratky Method: Is it all it is kracked up to be?

Hydroponics Daily ·

2025/06/02

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

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07:46

Dechlorination - the simplest yield hack!

Hydroponics Daily ·

2025/06/01

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

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12:45

Powdery Mildew - The main fungal disease of hydroponics

Hydroponics Daily ·

2025/05/31

Welcome 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

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06:50

Hydroponic Saffron Cultivation

Hydroponics Daily ·

2025/05/30

Welcome 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

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10:59

Silicon in Hydroponics

Hydroponics Daily ·

2025/05/29

In 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

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10:12

Hydroponic System Options: Recirculatory vs Run-to-Waste

Hydroponics Daily ·

2025/05/28

Welcome 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

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07:46

Growing Media Options - trial update

Hydroponics Daily ·

2025/05/27

Join 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

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306 results

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