General Hydroponics

General Hydroponics® Nutrients Designed for Serious Growers

General Hydroponics is a leader in hydroponic plant nutrition, offering a wide range of research‑driven nutrient formulations and supplements. Known for precision and consistency, General Hydroponics products support strong root development, balanced growth, and dependable results across all stages of cultivation in controlled environments.

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GH Ripen Quart (12/Cs)

Q113352
Ripen® 0.5-7-6 promotes increased and abundant flowering with greater oil and fragrance production. Ripen® is highly concentrated and provides macronutrients that are primarily responsible for flower and fruit growth. Ripen® is a liquid nutrient that has been specifically engineered and developed to provide these essential macronutrients in your high value crops life. Use Ripen® during the final one-to-two weeks to promote robust flower and fruit production. Think of Ripen® as an investment in your plants.
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GH Ripen Gallon (4/Cs)

Q113353
Ripen® 0.5-7-6 promotes increased and abundant flowering with greater oil and fragrance production. Ripen® is highly concentrated and provides macronutrients that are primarily responsible for flower and fruit growth. Ripen® is a liquid nutrient that has been specifically engineered and developed to provide these essential macronutrients in your high value crops life. Use Ripen® during the final one-to-two weeks to promote robust flower and fruit production. Think of Ripen® as an investment in your plants.
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GH Ripen 6 Gallon

Q113354
Ripen® 0.5-7-6 promotes increased and abundant flowering with greater oil and fragrance production. Ripen® is highly concentrated and provides macronutrients that are primarily responsible for flower and fruit growth. Ripen® is a liquid nutrient that has been specifically engineered and developed to provide these essential macronutrients in your high value crops life. Use Ripen® during the final one-to-two weeks to promote robust flower and fruit production. Think of Ripen® as an investment in your plants.
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General Hydroponics® BioBud® 0.5-0.1-1

P_00595

Used during the flowering phase of plant growth with any base fertilizer, BioBud can be used in garden soil, potting mix or other growing media.

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General Hydroponics® Spigot For 6 Gallon Containers

P_00590
  • Creates a faucet for larger General Hydroponics® nutrient containers.
  • Compatible with all General Hydroponics 6 gallon containers or liquid nutrient containers featuring a 3/4 inch provision for spigots.
  • Simplifies the dispensing of liquid nutrients.
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General Hydroponics® ProRelease™ Field Formula 20-7-20

P_00604
  • A blend of coated and uncoated granulated fertilizers.
  • Designed for high-value field-grown crops like hemp and other aromatherapeutic herbs.
  • Apply at the start of the season for optimal crop growth.
  • Feeds for up to 4 months.*
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General Hydroponics® ProRelease™ Cool Climate (CC) Container Formula 15-9-12

P_00605
  • Designed for cooler climates (CC).
  • 100% coated, granulated fertilizers.
  • Ideal for high-value crops like hemp and aromatherapeutic herbs.
  • Suitable for use in containers, raised beds, or fabric grow pots.
  • Incorporate or apply at transplant.
  • Feeds crops for up to 4 months.*
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General Hydroponics® ProRelease™ Warm Climate (WC) Container Formula 15-9-12

P_00606
  • Designed for warmer climates (WC).
  • 100% coated, granulated fertilizers.
  • Ideal for high-value crops like hemp and aromatherapeutic herbs.
  • Suitable for use in containers, raised beds, or fabric grow pots.
  • Incorporate or apply at transplant.
  • Feeds crops for up to 4 months.*
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General Hydroponics® TriShield™

P_00608
  • General Hydroponics TriShield is an insecticide, miticide, and fungicide concentrate.
  • Combines three active ingredients for effective pest control.
  • Suitable for integrated pest management (IPM) programs.
  • Developed with research scientists and verified for efficacy at a major university.
  • Demonstrated safety for plants, people, and the environment.
  • Kills pests on contact, including two-spotted/red spider mites, russet mites, broad mites, aphids, thrips, whiteflies, and caterpillars.
  • Effective against insect and mite eggs.
  • Prevents and has significant curative properties for powdery mildew infestations.
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General Hydroponics® Rapid Rooter®

P_00607
  • General Hydroponics Rapid Rooter plugs are all-natural soilless grow plugs.
  • Made of composted tree bark and organic materials.
  • Ideal for seedlings or cuttings.
  • Suitable for transplanting in soil or soilless hydrogardening applications.
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General Hydroponics® FloraPro™ Calcium+Micros 14-0-0

P_00593
  • 14-0-0 plus 17% Ca fertilizer will provide plants with excellent concentrations of calcium and micronutrients.
  • Designed to be used as part of the General Hydroponics® FloraPro™ product system to provide a complete fertilizer program.
  • Specifically designed for use in commercial cultivation.
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General Hydroponics® Flora Series® Quart Trial Pack

P_00584

Your favorite three-part nutrient system you need to get started in one box. General Hydroponics® Flora Series® Quart Trial Pack contains: one (1) quart FloraMicro®, FloraGro® and FloraBloom®.

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General Hydroponics® MaxiBloom™ 5-15-14

P_00599
  • Encourages prolific flowering and fruiting and increases yields and crop quality.
  • Will provide superior results when used with a wide variety of crops in both hydroponic and soil-based environments.
  • Extremely potent, stand-alone, water-soluble, dry concentrate nutrients.
  • Complete in primary, secondary and micronutrients.
  • pH buffered.
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General Hydroponics® MaxiGro™ 10-5-14

P_00600
  • For the reproductive stage in fast growing annuals.
  • Will provide superior results when used with a wide variety of crops in both hydroponic and soil-based environments.
  • Extremely potent, stand-alone, water-soluble, dry concentrate nutrients.
  • Complete in primary, secondary and micronutrients.
  • pH buffered.
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General Hydroponics® BioRoot® 0-1-1

P_00596
  • Use BioRoot with any garden soil, potting mix or other growing media.
  • Highly recommended for cuttings and transplants!

Claims based on US labels.

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General Hydroponics® Pro pH Down

P_00589
  • Lowers the pH of irrigation water or nutrient solutions without adding phosphorus, nitrogen, or sulfate.
  • Non-caustic.
  • Non-corrosive.
  • Do not need to be shipped Hazmat like other adjusters.
  • Alternative to harsh mineral hydroxides.
  • Triple zero HMIS score.
  • Does not contribute nutritional value like other adjusters.
  • Concentrated formula.
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General Hydroponics® pH Down Liquid

P_00602

General Hydroponics® pH Down acid formulation uses phosphoric acid to lower the pH to the proper level.

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General Hydroponics® pH Test Kit

P_00603
  • Easy pH testing with simple steps.
  • Fill a test tube halfway with nutrient solution.
  • Add a few drops of pH Test Indicator.
  • Observe color change for pH reading.
  • Preferred by experienced growers for reliability and ease of use.
  • Use three drops per 5 ml of solution.
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General Hydroponics® BioThrive® Grow 4-3-3

P_00598
  • Maximizes vegetative growth.
  • Provides a custom diet for vigorous root and foliage development.
  • Strengthens plants for flower, fruit, and seed production.
  • Suitable for all types of plants to ensure a strong start.
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General Hydroponics® BioThrive® Bloom 2-4-4

P_00597
  • Provides essential nutrients for flowering and fruiting plants.
  • Balanced formulation for superior blooms and bountiful harvests.
  • Maximizes flower, fruit, and seed production.
  • Increases yield size, nutrition, and flavor.
  • Suitable for all plants during flowering and fruiting phases.
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General Hydroponics® Armor Si™ 0-0-4

P_00591
  • Suitable for all types of plants at all growth stages.
  • Can be used in hydroponics, coco coir, and all types of media.
  • Acts as a growth enhancer with irrigation water or regular fertilizers.
  • Improves plant structure and foliar development.
  • Increases yield, flower, and fruit production.
  • Enhances heat and cold tolerance, stress resistance, and light absorption.
  • Leads to greater plant stature.
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General Hydroponics® FloraPro™ Late Bloom 0-24-26

P_00594
  • Provides plants with excellent concentrations and ratios of nutrients to help optimize flower development in late bloom.
  • Designed to be used as part of the General Hydroponics® FloraPro™ product system to provide a complete fertilizer program.
  • Specifically designed for use in commercial cultivation.
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AzaMax 4oz

Q113746
  • Natural product with broad-spectrum pest control.
  • Contains Azadirachtin A & B and over 100 limonoids.
  • No hard chemical solvents used.
  • Acts as an antifeedant and insect growth regulator.
  • Controls pests through starvation and growth disruption.
  • Effective against spider mites, thrips, fungus gnats, aphids, whiteflies, leaf miners, worms, beetles, leafhoppers, scales, mealy bugs, nematodes, and other soil-borne pests.
  • 4 ounce bottle.
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AzaMax 16oz

Q113747
  • Natural product with broad-spectrum pest control.
  • Contains Azadirachtin A & B and over 100 limonoids.
  • No hard chemical solvents used.
  • Acts as an antifeedant and insect growth regulator.
  • Controls pests through starvation and growth disruption.
  • Effective against spider mites, thrips, fungus gnats, aphids, whiteflies, leaf miners, worms, beetles, leafhoppers, scales, mealy bugs, nematodes, and other soil-borne pests.
  • 16 ounce bottle.
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AzaMax 1qt

Q113748
  • Natural product with broad-spectrum pest control.
  • Contains Azadirachtin A & B and over 100 limonoids.
  • No hard chemical solvents used.
  • Acts as an antifeedant and insect growth regulator.
  • Controls pests through starvation and growth disruption.
  • Effective against spider mites, thrips, fungus gnats, aphids, whiteflies, leaf miners, worms, beetles, leafhoppers, scales, mealy bugs, nematodes, and other soil-borne pests.
  • 1 quart bottle.
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AzaMax 1gal

Q113749
  • Natural product with broad-spectrum pest control.
  • Contains Azadirachtin A & B and over 100 limonoids.
  • No hard chemical solvents used.
  • Acts as an antifeedant and insect growth regulator.
  • Controls pests through starvation and growth disruption.
  • Effective against spider mites, thrips, fungus gnats, aphids, whiteflies, leaf miners, worms, beetles, leafhoppers, scales, mealy bugs, nematodes, and other soil-borne pests.
  • 1 gallon bottle.
Q113746.jpg

General Hydroponics® AzaMax™

P_00694
  • Natural product with broad-spectrum pest control.
  • Contains Azadirachtin A & B and over 100 limonoids.
  • No hard chemical solvents used.
  • Acts as an antifeedant and insect growth regulator.
  • Controls pests through starvation and growth disruption.
  • Effective against spider mites, thrips, fungus gnats, aphids, whiteflies, leaf miners, worms, beetles, leafhoppers, scales, mealy bugs, nematodes, and other soil-borne pests.
  • Available in a range of sizes.
Picture of General Hydroponics MaxiBloom (7.25 kg / 16 lb)

General Hydroponics MaxiBloom (7.25 kg / 16 lb)

Q100076

MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary, and micronutrients, pH buffered MaxiGro and MaxiBloom will provide superior results when used with a wide variety of crops in both hydroponic and soil-based environments. MaxiBloom is for the reproductive stage in fast growing annuals. MaxiBloom encourages prolific flowering and fruiting and increases yields and crop quality.

Picture of GH Flora Kleen 6 Gallon

GH Flora Kleen 6 Gallon

Q100370

FloraKleen® removes fertilizer residues that can accumulate over time in hydroponic systems, growing media and potting soils. Use FloraKleen monthly to purge your hydroponic system or potted plants of excess salts that can accumulate as a result of regular fertilizer application. FloraKleen is an excellent final flush and can be used to dissolve mineral and salt buildup.

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