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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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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GH ProRelease Field Formula 50LB

Q112996
General Hydroponics ProRelease Field Formula 20-7-20 is 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 your season and watch your crops thrive. Feeds for up to 4 months*. *will vary based on soil needs, planting density, climate, crop, media, irrigation or rainfall amount and especially other nutrient usages.
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GH ProRelease CC Container Formula 50lb.

Q112997
Desingned for Cooler Climates (CC) the General Hydroponics ProRelease Container Fertilizers are 100% coated granulated fertilizers. Designed for high value crops like cannabis, hemp and other aromatherapeutic herbs grown in containers, raised beds or fabric grow pots. Incorporate or apply at transplant and watch your crops thrive. Feeds for up to 4 months*. *will vary based on soil needs, planting density, climate, crop, media, irrigation or rainfall amount and especially other nutrient usages.*
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GH PRORELEASE WC CONTAIN FORMULA 50LB

Q112998
Desingned for Warmer Climates (WC) the General Hydroponics ProRelease Container Fertilizers are 100% coated granulated fertilizers. Designed for high value crops like cannabis, hemp and other aromatherapeutic herbs grown in containers, raised beds or fabric grow pots. Incorporate or apply at transplant and watch your crops thrive. Feeds for up to 4 months*. *will vary based on soil needs, planting density, climate, crop, media, irrigation or rainfall amount and especially other nutrient usages.*
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GH TriShield Insecticide / Miticide / Fungicide 8 oz (12/case)

Q112999
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GH TriShield Insecticide / Miticide / Fungicide Quart (12/case)

Q113000
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GH TriShield Insecticide / Miticide / Fungicide Gallon (4/case)

Q113001
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GH TriShield Insecticide/ Miticide/ Fungicide 2.5 Gallon (2/Cs)

Q113002
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GH TriShield Insecticide / Miticide / Fungicide 6 Gallon

Q113003
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GH Rapid Rooter 100/Pack Replacement Plugs

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Rapid Rooter® plugs are all-natural soilless grow plugs made of composted tree bark and organic materials. These plugs are perfect for seedlings or cuttings. Transplant plugs in soil or soilless hydrogardening applications.
Picture of GH Rapid Rooter Bulk Plugs (1400/Cs)

GH Rapid Rooter Bulk Plugs (1400/Cs)

Q113042
Rapid Rooter® plugs are all-natural soilless grow plugs made of composted tree bark and organic materials. These plugs are perfect for seedlings or cuttings. Transplant plugs in soil or soilless hydrogardening applications.
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GH Rapid Rooter 50/Pack Replacement Plugs (12/Cs)

Q113049
Rapid Rooter® plugs are all-natural soilless grow plugs made of composted tree bark and organic materials. These plugs are perfect for seedlings or cuttings. Transplant plugs in soil or soilless hydrogardening applications.
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GH Rapid Rooter 50 Cell Plug Tray (12/Cs)

Q113050
Rapid Rooter® plugs are all-natural soilless grow plugs made of composted tree bark and organic materials. These plugs are perfect for seedlings or cuttings. Transplant plugs in soil or soilless hydrogardening applications.
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GH Flora Bloom Pint (12/Cs)

Q113070
Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorous, potassium, magnesium and sulfur.
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GH FloraPro Grow 25 lb (80/plt)

Q113071
Specifically designed for use in commercial cultivation. FloraPro® Grow 10-12-22 will provide your plants with excellent concentrations and ratios of nutrients to help optimize vegetative growth. FloraPro® Grow fertilizer is designed to be used as part of the FloraPro® product system to provide a complete fertilizer program
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GH FloraPro Bloom 25 lb (80/plt)

Q113072
Specifically designed for use in commercial cultivation. FloraPro® Bloom 7-12-27 will provide your plants with excellent concentrations and ratios of nutrients to help optimize flower development. FloraPro® Bloom fertilizer is designed to be used as part of the FloraPro® product system to provide a complete fertilizer program.
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