Hydroponics Daily

The Periodic Table of Plant Health — Decode Your Crop's Nutrient Needs

Dr. Russell Sharp walks through the "Periodic Table of Plant Health," explaining macronutrients, micronutrients, non-mineral and non-essential elements, and common defici

Inside Our New Patented Root Stimulant: A Phosphite Alternative

Dr. Russell Sharp discusses recent weather impacts on crops and lawns, a Black Friday humic acid offer (use code HUMIC15), and updates from Utrema on product compatibilit

Are your microbes dead? Free new service from Eutrema

Dr. Russell Sharp explains why Eutrema no longer sells microbial products — from short shelf life and supply-chain dilution to competition with contaminated products — an

Insider Advice for Hydroponic Product Startups

Dr. Russell Sharp of Eutrema shares practical advice for anyone launching a hydroponic product, covering market realities, product differentiation, and regulatory pitfall

UK Fertiliser Rules Could Wipe Out Small Hydro Brands — What You Need to Know

Hello and welcome back to Hydroponics Daily. Dr. Russell Sharp breaks down the new UK fertiliser and biostimulant consultation that could force costly registrations, thir

Taming Bitterness: How Hydroponics Could Create Milder Veggies

Dr. Russell Sharp explores how breeders, genetic tools (including CRISPR) and environmental controls in hydroponics can reduce strong or bitter flavours in vegetables. H

The Top 10 Most Poisonous Plants You Might Grow (but hey, "they're natural")

Dr. Russell Sharp closes out Hydroponics Daily’s 2025 run with a compact guide to the most toxic plants. He explains why “natural” or “plant‑derived” doesn’t mean safe an

Biofortify Your Greens: Iodine, Selenium & Hydroponic Nutrition

Host Dr. Russell Sharp of Hydroponics Daily explains how hydroponic fertigation and his product Gold Leaf (Liquid Gold in the UK) can be used to biofortify edible crops w

Don't Get Ripped Off: How to Choose Microbial Biostimulants

Dr. Russell Sharp explains how to choose and use microbial biostimulants for hydroponics, focusing on production/expiry dates, manufacturer credibility, and the trade-off

Why Pumpkins Trap Forever Chemicals — and How Hydroponics Helps

Dr. Russell Sharp explores research showing that squashes, pumpkins and other cucurbits can absorb persistent hydrophobic pollutants (PCBs, dioxin-like compounds, organoc

Hydroponics Wrapped 2025: Triumphs & Tough Lessons

Dr. Russell Sharp reviews Hydroponics Daily in 2025, highlighting the top podcast episodes, surprising listener interests (pH, nutrient lockup, microgreens), event highli

Coffee, Caffeine & Your Plants: Friend or Foe?

Dr. Russell Sharp examines the effects of coffee and tea on plants, explaining how caffeine and other compounds (tannins, organic acids, sugars) can act as low-dose biost

Cotton Candy Grapes — Naturally Flavoured?

Dr. Russell Sharp explores the story behind cotton candy grapes, explaining how they were created through patient, traditional plant breeding rather than artificial flavo

Amazon’s Fake Plants: The Shocking Rise of AI-Generated Seed Scams

Dr. Russell Sharp exposes a growing problem of fake plant listings and AI-generated seed scams on Amazon and other marketplaces, showing how buyers are being misled by im

Plant Melatonin: Supercharge Roots and Stress Tolerance in Hydroponics

Dr. Russell Sharp explains how melatonin — a molecule known for human sleep and stress regulation — is produced by plants and acts as a powerful antioxidant and growth re

Are Soilless Crops Artificially Flavoured? Hydroponics Myth Busted

Host Dr. Russell Sharp tackles a Twitter claim that hydroponic crops lack micronutrients and are artificially flavoured, explaining why those assertions are incorrect and

UK Energy Shock: 94% Rise in Standing Charges Threatens Vertical Farms

Dr. Russell Sharp examines a warning from the UK Urban AgriTech group that a planned 94% increase in electricity network standing charges from April 2026 could dramatical

Carnivorous Plants & Bonsai - a potential hack for using Coco Grow Media

In this episode we examine why carnivorous plants and bonsai often struggle in coco grow media — coco (coir) can contain high sodium and is frequently buffered with calci

Alternatives to Dosatrons: Which Fertigation Tool Wins?

In this episode Dr. Russell Sharp explains how dosatrons work and compares practical alternatives for run‑to‑waste hydroponic systems, including Venturi injectors, electr

How to Save Virus-Infected Varieties; Thermotherapy for Crops

Hello there, and welcome back to Hydroponics Daily, your go-to podcast for everything soilless cultivation. I am your host, Dr. Russell Sharp, the founder of Eutrema Limi