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 CALiMAGic 6 Gallon

Q100329

CALiMAGic™ is a concentrated blend of readily available calcium and magnesium. It is formulated to assist fast-growing plants by preventing secondary nutrient deficiencies. CALiMAGic helps optimize plant nutrition and enhances plant growth and development while preventing blossom end rot and tip burn in many crops, such as tomatoes and lettuce, as well as other calcium-intensive plants.

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General Hydroponics® CaMg+® 1-0-0

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CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+ is biologically catalyzed from oyster shell, dolomite lime and natural plant extracts. Through the use of organic compounds, CaMg+ increases calcium and magnesium transport into the plants. This optimizes plant metabolism, enhancing growth and creating healthier flowers and fruits.

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GH General Organics CaMg+ 2.5 Gallon

Q100330

CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+ is biologically catalyzed from oyster shell, dolomite lime and natural plant extracts. Through the use of organic compounds, CaMg+ increases calcium and magnesium transport into the plants. This optimizes plant metabolism, enhancing growth and creating healthier flowers and fruits.

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GH General Organics CaMg+ 6 Gallon

Q100331

CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+ is biologically catalyzed from oyster shell, dolomite lime and natural plant extracts. Through the use of organic compounds, CaMg+ increases calcium and magnesium transport into the plants. This optimizes plant metabolism, enhancing growth and creating healthier flowers and fruits.

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GH General Organics BioBud Gallon

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BioBud® is a powerful bloom stimulator that generates explosive flowering and massive fruit production. BioBud increases metabolic activity and mineral uptake by utilizing biostimulants and organic transport enhancers. This induces abundant, dense floral clusters during the critical flowering and fruiting phases. The results are spectacular flowering and more flavorful fruits. Use BioBud during the flowering phase of plant growth with any baseline fertilizer in any garden soil, potting mix, or other growing media. BioBud is sure to make your garden complete.

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GH General Organics BioWeed Gallon

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BioWeed® is derived from a blend of cold-processed seaweeds that act as a plant and soil vitality enhancer. Seaweeds have long been recognized as stress-reducing agents and powerful plant boosters. BioWeed encourages prolific root and foliage growth as well as larger flowers and frits. BioWeed works synergistically with all fertilizers to promote vigorous, healthy growth. Use with any garden soil, potting mix, or other growing media.

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General Hydroponics® FloraKleen®

P_00156

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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GH Flora Kleen Gallon

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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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General Hydroponics FloraKleen (10 L / 2.5 gal)

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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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GH FloraKleen Pro 6 Gallon

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FloraKleen® Professional 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 Professional is an excellent final flush and can be used to dissolve mineral and salt buildup.

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General Hydroponics® Pro pH Up

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  • Raises pH levels without contributing potassium.
  • 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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GH pH Up Pro 1 Gallon

Q100372

General Hydroponics® Pro pH adjusters are based on completely different technology than our traditional smaller sized adjusters offering. New non-mineral based acids and bases will not add nutrient value like the use of phosphoric acid or potassium hydroxide. They are safer to use as well as compared to mineral based adjusters. This is due to having a zero rating score for all safety categories on the HMIS scale as well as being non-corrosive and non-caustic. This means there are no HazMat fees to ship these products like other pH adjusters. Use Pro pH UP or Pro pH DOWN to effectively adjust the pH of nutrient solutions or irrigation water. GH Pro pH adjusters are highly concentrated and available in commercial sizes.

  • 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 PRO pH Up 2.5 gal

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General Hydroponics® Pro pH adjusters are based on completely different technology than our traditional smaller sized adjusters offering. New non-mineral based acids and bases will not add nutrient value like the use of phosphoric acid or potassium hydroxide. They are safer to use as well as compared to mineral based adjusters. This is due to having a zero rating score for all safety categories on the HMIS scale as well as being non-corrosive and non-caustic. This means there are no HazMat fees to ship these products like other pH adjusters. Use Pro pH UP or Pro pH DOWN to effectively adjust the pH of nutrient solutions or irrigation water. GH Pro pH adjusters are highly concentrated and available in commercial sizes.

  • 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 PRO pH Up 6 gal

Q100374

General Hydroponics® Pro pH adjusters are based on completely different technology than our traditional smaller sized adjusters offering. New non-mineral based acids and bases will not add nutrient value like the use of phosphoric acid or potassium hydroxide. They are safer to use as well as compared to mineral based adjusters. This is due to having a zero rating score for all safety categories on the HMIS scale as well as being non-corrosive and non-caustic. This means there are no HazMat fees to ship these products like other pH adjusters. Use Pro pH UP or Pro pH DOWN to effectively adjust the pH of nutrient solutions or irrigation water. GH Pro pH adjusters are highly concentrated and available in commercial sizes.

  • 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 PRO pH Up 55 gal

Q100375

General Hydroponics® Pro pH adjusters are based on completely different technology than our traditional smaller sized adjusters offering. New non-mineral based acids and bases will not add nutrient value like the use of phosphoric acid or potassium hydroxide. They are safer to use as well as compared to mineral based adjusters. This is due to having a zero rating score for all safety categories on the HMIS scale as well as being non-corrosive and non-caustic. This means there are no HazMat fees to ship these products like other pH adjusters. Use Pro pH UP or Pro pH DOWN to effectively adjust the pH of nutrient solutions or irrigation water. GH Pro pH adjusters are highly concentrated and available in commercial sizes.

  • 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
Q100376.jpg

GH pH Down Pro 1 Gallon

Q100376

General Hydroponics® Pro pH adjusters are based on completely different technology than our traditional smaller sized adjusters offering. New non-mineral based acids and bases will not add nutrient value like the use of phosphoric acid or potassium hydroxide. They are safer to use as well as compared to mineral based adjusters. This is due to having a zero rating score for all safety categories on the HMIS scale as well as being non-corrosive and non-caustic. This means there are no HazMat fees to ship these products like other pH adjusters. Use Pro pH UP or Pro pH DOWN to effectively adjust the pH of nutrient solutions or irrigation water. GH Pro pH adjusters are highly concentrated and available in commercial sizes.

  • 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
Q100377.jpg

General Hydroponics PRO pH Down 2.5 gal

Q100377

General Hydroponics® Pro pH adjusters are based on completely different technology than our traditional smaller sized adjusters offering. New non-mineral based acids and bases will not add nutrient value like the use of phosphoric acid or potassium hydroxide. They are safer to use as well as compared to mineral based adjusters. This is due to having a zero rating score for all safety categories on the HMIS scale as well as being non-corrosive and non-caustic. This means there are no HazMat fees to ship these products like other pH adjusters. Use Pro pH UP or Pro pH DOWN to effectively adjust the pH of nutrient solutions or irrigation water. GH Pro pH adjusters are highly concentrated and available in commercial sizes.

  • 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
Q100378.jpg

General Hydroponics PRO pH Down 6 gal

Q100378

General Hydroponics® Pro pH adjusters are based on completely different technology than our traditional smaller sized adjusters offering. New non-mineral based acids and bases will not add nutrient value like the use of phosphoric acid or potassium hydroxide. They are safer to use as well as compared to mineral based adjusters. This is due to having a zero rating score for all safety categories on the HMIS scale as well as being non-corrosive and non-caustic. This means there are no HazMat fees to ship these products like other pH adjusters. Use Pro pH UP or Pro pH DOWN to effectively adjust the pH of nutrient solutions or irrigation water. GH Pro pH adjusters are highly concentrated and available in commercial sizes.

  • 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 Up

P_00180

General Hydroponics® pH Up solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.

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GH pH Up 8 oz

Q100379

This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.

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GH pH Up Liquid Gallon

Q100381

This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.

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GH pH Down Liquid Quart

Q100382

The acid formulation uses phosphoric acid to lower the pH to the proper level.

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GH 6 Gallon Container Spigot

Q101276
"

For use with all General Hydroponics

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General Hydroponics PRO pH Down 55 gal

Q102212

General Hydroponics® Pro pH adjusters are based on completely different technology than our traditional smaller sized adjusters offering. New non-mineral based acids and bases will not add nutrient value like the use of phosphoric acid or potassium hydroxide. They are safer to use as well as compared to mineral based adjusters. This is due to having a zero rating score for all safety categories on the HMIS scale as well as being non-corrosive and non-caustic. This means there are no HazMat fees to ship these products like other pH adjusters. Use Pro pH UP or Pro pH DOWN to effectively adjust the pH of nutrient solutions or irrigation water. GH Pro pH adjusters are highly concentrated and available in commercial sizes.

  • 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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Terpinator 15 Gallon

Q102490

Terpinator® is the original terpene and resin enhancer. Formulated to help provide the building blocks for secondary metabolites, Terpinator® feeds to encourage increased production of terpenes to help heighten aroma and flavor. Terpinator® can be used in conjunction with General Hydroponics® nutrients or any feed regimen and is compatible with soil, hydroponics, and soilless media.

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GH Dual Diaphragm Air Pump 320 GPH

Q101357

The General Hydroponics® Dual Diaphragm air pump is extremely quiet and the only air pump in the world manufactured exclusively for hydroponic systems. This high-output pump has four adjustable 1/4 in outputs that can be teed off to power up to 12 air-driven hydroponics growing systems such as the WaterFarm. In addition, growers who use the Dual Diaphragm Air Pump can use it to reliably oxygenate their reservoir with air stones. 3 PSI, 320 GPH (20L/min).

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GH ProRelease Field Formula 50LB

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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.

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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)

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