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General Hydroponics

Helping the world grow! General Hydroponics is a leading innovator in the field of hydroponics and offers the highest quality nutrients, supplements, growing media and garden systems anywhere.

  • CALiMAGic


    A concentrated blend of readily available calcium (Ca) and magnesium (Mg).

    $16.50 $13.50
  • RapidStart Rooting Enhancer

    RapidStart (1-0.5-1)

    Concentrated plant extracts stimulate explosive root development and branching.

    $26.50 $21.95
  • AeroFlo Aeroponic System

    AeroFlo 60

    Available with a 40-gallon reservoir and SIX 6 ft. growing chambers – 10 sites each.

    $1,173.50 $949.95
  • AeroFlo Aeroponic System

    AeroFlo 36

    Available with a 40-gallon reservoir and SIX 4 ft. growing chambers – 6 sites each.

    $937.95 $759.95
  • AeroFlo Aeroponic System

    AeroFlo 30

    A compact setup that’s perfect for growing greens, vegetables, berries and flowers.

    $559.95 $514.95
  • AeroFlo Aeroponic System

    AeroFlo 20

    Delivers a super-oxygenated, nutrient-rich mist to your plant’s roots.

    $421.95 $344.95
  • AeroFlo Aeroponic System

    AeroFlo 18

    Looking for an aeroponic garden with a proven track record? Well, here it is!

    $429.00 $389.95
  • Rubber Grommets

    Grommets (10pk)

    Rubber grommets snap into place and form a water-tight seal in pre-drilled holes.

    $6.95 $5.95
  • Rapid Rooter Plugs

    Rapid Rooter Plugs

    Enriched with micronutrients and beneficial bacteria for superior results.

    $16.95 $13.50
  • FloraBlend Vegan Compost Tea


    Made from a select blend of plant materials plus seaweed and rock powders.

    $12.00 $10.95
  • Rapid Rooter Mat

    Rapid Rooter Mat

    Each pack contains 98 cross-cut planting sites derived from composted tree bark.

    $23.95 $18.95
  • AzaMax (Azadirachtin)

    AzaMax (Azadirachtin)

    Works as well as synthetic formulas, but without the environmental impact.

    $28.95 $21.95
  • Azamax Ready To Spray

    Azamax Spray

    Easy to use, just drop one pre-dosed vial into the bottle, add water, shake and apply.

    $13.50 $14.95
  • General Hydroponics pH-Down

    pH Down (Acid)

    Use sparingly — just a little at a time is all you need to achieve proper levels.

  • General Hydroponics pH-Up

    pH Up (Base)

    Add a little at a time to raise the pH of your nutrient solution to the proper level.

  • pH 4.01 Calibration Solution

    pH 4.01

    Easy to use, just dip your meter electrode into a small amount of the buffer and …

  • pH 7.0 Calibration Solution

    pH 7.0

    Allows growers to calibrate many popular meter brands with confidence.

  • pH Test Indicator

    pH Test Indicator

    Easy to use, accurate and inexpensive! Just a few drops is all it takes for fast results.

    $7.95 $6.95
  • TDS Calibration Solution

    Standard Reference

    Easy to use, just dip your electrode into a small amount of the buffer and adjust.

    $21.50 $19.95
  • Diamond Nectar

    Diamond Nectar

    Premium grade humic acids improve the uptake and utilization of trace minerals…

    $17.50 $14.50
  • Flora Bloom Hydroponic Nutrient

    Flora Bloom

    Provides nutrients that are essential for a complete hydroponic plant diet.

  • FloraDuo (Part A & B)

    FloraDuo (A & B)

    Use to meet the demands of all plants through every phase — seedling to harvest!

  • Flora Grow Hydroponic Nutrient

    Flora Grow

    The most widely used hydroponic nutrient in the world because it is the best!

  • Floralicious Bloom

    Floralicious Bloom

    Use to promote maximum flower size and fruit swelling for heavy yields.

    $26.95 $22.50
  • Floralicious Grow

    Floralicious Grow

    Builds the leaf and root masses needed for healthy growth and superior harvests.

    $26.95 $22.50
  • Floralicious Plus 1

    Floralicious Plus

    Combines plant, marine, and mineral extracts to create a one part nutrient …

  • Flora Micro Hardwater

    Flora Micro Hardwater

    Required if your tap water is over 200 ppm, or contains calcium above 70 ppm.

  • Flora Micro Hydroponic Nutrient

    Flora Micro

    This formula is known throughout the world as the industry standard.

  • FloraNectar Sweetener

    Flora Nectar Sweetener

    Simply sweeter! Flora Nectar encourages sweetness and aroma into your fruits …

    $21.00 $17.50
  • FloraNova Bloom

    FloraNova Bloom

    Use to stimulate exceptional budding and blooming in flowering plants.

    $27.50 $23.95
  • FloraNova Grow

    FloraNova Grow

    Gives indoor gardeners the strength of a dry concentrate and the ease of a liquid.

    $27.50 $23.95
  • FloraShield

    Flora Shield

    Use to rinse systems and plants during all phases of the life cycle.

    $28.95 $24.95
  • Kool Bloom


    This powerful nutrient additive enhances production of essential oils and …

    $15.50 $12.95
  • Liquid Kool Bloom

    Liquid KoolBloom

    Promotes abundant flowering and helps facilitate ripening in flowers …

    $21.95 $17.95
  • Pineapple Rush

    Pineapple Rush

    Made with quality organic sugars, including molasses and raw cane sugar.

  • Dual Diaphragm Air Pump

    Dual Diaphragm

    Includes four fully adjustable output valves, allowing the perfect volume of airflow.

    $101.00 $79.95
  • EcoGrower Hydroponic System 1

    EcoGrower Max

    The EcoGrower Max uses an air driven “spider” drip design with 6-inch net pots.

    $233.95 $189.95
  • EuroGrower Drip System


    A simple and compact setup that’s the perfect garden for a one light operation.

    $616.50 $499.95
  • FloraKleen Clearing Solution


    Removes fertilizer residues that can accumulate over time in systems and media.

    $9.95 $8.95
  • MegaFarm Drip System


    Includes a heavy-duty 20-gallon grow chamber that sits on top of a large reservoir.

    $386.95 $314.95
  • TNC Water Pump

    TNC (1/4 HP)

    Reliably moves 1268 gallons per hour through 1-inch pipe thread fittings.

    $231.95 $179.95
  • WaterFarm 8-Pack Hydroponic System

    WaterFarm, 8-Pack

    Includes EIGHT WaterFarm modules all connected together to one controller.

    $514.95 $449.95
  • WaterFarm Complete


    One of our best hydroponic systems for growing large plants in a small space.

    $65.95 $59.95
  • Waterpower Submersible Pump


    Fully submersible, magnetic drive and NO replacement seals — it’s one of the best!

    $131.95 $99.95
  • Rapid Rooter Tray

    Rapid Rooter

    The optimal air-to-water ratio within the plug matrix causes explosive root growth.

    $23.95 $18.95
  • SubCulture-B Bacterial Root Inoculant


    This blend of beneficial microbes will improve the vitality and yield in all plants.

    $36.95 $33.50
  • SubCulture-M Mycorrhizal Root Inoculant


    Use from germination or propagation all the way through harvest.

    $21.00 $17.95
  • CocoTek Mats (10-Pack)

    CocoTek Mats

    Provides support for plant roots that grow through and under the media.