Hydroponics Daily

https://eutrema.co.uk/shop/organic-fertilisers/triacontanol-boost-biostimulant/

Dr. Russell Sharp explores triacontanol, a natural fatty-acid biostimulant extracted from beeswax or plant cuticles that can drive faster photosynthesis, vigorous vegetative growth, and heavier yields despite an unclear mode of action.

The episode covers Eutrema’s organic, solvent-free 0.2% tricontanol concentrate, recommended application rates for hydroponics, turf and field crops, compatibility and cleaning considerations for sterile systems, and tips on testing with small trial dosages.

https://eutrema.co.uk/shop/organic-fertilisers/yucca-extract/

Dr. Russell Sharp explains what true horticultural yucca extract is (from desert yucca, not cassava) and why it’s used: saponins act as natural wetting agents to improve water uptake, help flush salts and allelopathic chemicals, serve as an organic insecticidal soap for soft-bodied pests, and can provide biostimulant effects in fertilisers and livestock feed.

He also covers product quality and use: how pure yucca looks and behaves, common adulteration with synthetic surfactants or dilution, what to check on labels and safety data sheets, and practical tips for using yucca in soil, pots, and hydroponics.

Magnesium+ = https://eutrema.co.uk/shop/soil-conditioners/magnesium/

Ultimate Cal-Mag = https://eutrema.co.uk/shop/soil-conditioners/ultimate-cal-mag/

Dr. Russell Sharp explains magnesium’s central role in plants as the atom in chlorophyll, the typical signs of deficiency (interveinal chlorosis on older leaves), and why visible symptoms can be hard to spot in grasses and late to appear.

The episode covers common causes like nutrient antagonism from excess calcium or potassium, diagnostic tips, and practical remedies including CalMag for hydroponics, magnesium-plus foliar sprays for lawns, and Epsom salts for fruit crops, plus guidance on prevention and product choices.

https://eutrema.co.uk/shop/equipment/hand-lens-uv-led-illuminated/

Dr. Russell Sharp explains why a hand lens is essential for pest identification and monitoring, how to use one, and the main reasons to inspect plants closely rather than guessing. He covers tiny pests like spider mites and thrips, distinguishing beneficial insects, confirming kills, and locating eggs.

The episode also reviews disease signs, trichome inspection for essential oil crops, root and rhizosphere checks, and advantages of LED and UV illumination. Regular close inspection with a hand lens can catch problems early and help avoid unnecessary pesticide use.

In this episode Dr. Russell Sharp explains insecticidal soaps—how they work by physically breaking down insect waxes and spiracles, acting as contact killers without systemic residues.

He covers practical use: effective mainly on soft-bodied pests and powdery mildew, the need for repeat sprays (every 5–7 days) during infestations, and precautions to avoid phytotoxicity and high temperatures.

Tips for choosing products focus on plant-safe, sodium-free formulas (potassium/ammonium alternatives), tank-mix compatibility, and organic options like Yucca Extract.