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Helping the world grow! Located in Sebastopol, California General Hydroponics nutrients, systems and gardening products lead the industry in innovation and superior results. Achieve your own outstanding success with GH premium plant foods, media and equipment. There’s nothing better anywhere!
Visit the company’s Feeding Schedule (PDF) here.
Effective against a variety of pathogens, especially botrytis and powdery mildew.
New formula is effective against powdery mildew, mites, aphids and whiteflies.
Contains everything you need for the best crop quality and enhanced plant yields.
A concentrated blend of readily available calcium (Ca) and magnesium (Mg).
Concentrated plant extracts stimulate explosive root development and branching.
Available with a 40-gallon reservoir and SIX 6 ft. growing chambers – 10 sites each.
Available with a 40-gallon reservoir and SIX 4 ft. growing chambers – 6 sites each.
A compact setup that’s perfect for growing greens, vegetables, berries and flowers.
Delivers a super-oxygenated, nutrient-rich mist to your plant’s roots.
Looking for an aeroponic garden with a proven track record? Well, here it is!
Rubber grommets snap into place and form a water-tight seal in pre-drilled holes.
Enriched with micronutrients and beneficial bacteria for superior results.
Made from a select blend of plant materials plus seaweed and rock powders.
Each pack contains 98 cross-cut planting sites derived from composted tree bark.
Works as well as synthetic formulas, but without the environmental impact.
Easy to use, just drop one pre-dosed vial into the bottle, add water, shake and apply.
Easy to use, just dip your electrode into a small amount of the liquid and adjust.
Use sparingly — just a little at a time is all you need to achieve proper levels.
Add a little at a time to adjust between 5.5 and 6.5 for most indoor crops.
Easy to use and works with all the popular brands in the hydroponics market.
Made with the highest quality ingredients so you can work with peace of mind.
Easy to use, accurate and inexpensive! Just a few drops is all it takes for fast results.
A premium product used to improve the uptake and utilization of trace minerals.
Provides nutrients that are essential for a complete hydroponic plant diet.
Use to meet the demands of all plants through every phase — seedling to harvest!
The most widely used hydroponic nutrient in the world because it is the best!
Use to promote maximum flower size and fruit swelling for heavy yields.
Builds the leaf and root masses needed for healthy growth and superior harvests.
Use with your fertilizer program to promote incredible flavor and enormous yields.
Required if your tap water is over 200 ppm, or contains calcium above 70 ppm.
This formula is known throughout the world as the industry standard.
Made with a powerful blend of plant minerals, natural sugars and flavor enhancers.
Use to stimulate exceptional budding and blooming in flowering plants.
Gives indoor gardeners the strength of a dry concentrate and the ease of a liquid.
Use to rinse systems and plants during ALL phases of the life cycle.
Packed with the potency your plants prefer in the final stages of flowering.
Promotes abundant flowering and helps facilitate ripening in annual flowers and herbs.
Made with quality organic sugars, including molasses and raw cane sugar.
Includes four fully adjustable output valves, allowing the perfect volume of airflow.
The EcoGrower Max uses an air driven “spider” drip design with 6-inch net pots.
A simple and compact setup that’s the perfect garden for a one light operation.
Removes fertilizer residues that can accumulate over time in systems and media.
Includes a heavy-duty 20-gallon grow chamber that sits on top of a large reservoir.
Reliably moves 1268 gallons per hour through 1-inch pipe thread fittings.
Includes EIGHT WaterFarm modules all connected together to one controller.
One of our best hydroponic systems for growing large plants in a small space.
Fully submersible, magnetic drive and NO replacement seals — it’s one of the best!
The optimal air-to-water ratio within the plug matrix causes explosive root growth.
This blend of beneficial microbes will improve the vitality and yield in all plants.
Use from germination or propagation all the way through harvest.
Provides support for plant roots that grow through and under the media.