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 Flora Nectar FruitnFusion 2.5 Gallon (2/Cs)

GH Flora Nectar FruitnFusion 2.5 Gallon (2/Cs)

Q113235
FloraNectar® contains all natural raw cane sugar, molasses, malt syrup, select plant-based esters, L-amino acids, organic acids, vitamins and essential minerals. This unique blend of ingredients helps your plants regulate enzymes that trigger specific reactions involved in maintaining optimal metabolism. This allows your plants to achieve a balance between respiration and photosynthesis in high-intensity growing environments where the rate of respiration can sometimes exceed the rate of photosynthesis.
GH Flora Nectar FruitnFusion 6 Gallon

GH Flora Nectar FruitnFusion 6 Gallon

Q113236
FloraNectar® contains all natural raw cane sugar, molasses, malt syrup, select plant-based esters, L-amino acids, organic acids, vitamins and essential minerals. This unique blend of ingredients helps your plants regulate enzymes that trigger specific reactions involved in maintaining optimal metabolism. This allows your plants to achieve a balance between respiration and photosynthesis in high-intensity growing environments where the rate of respiration can sometimes exceed the rate of photosynthesis.
GH KoolBloom 2.2 lb (12/Cs)

GH KoolBloom 2.2 lb (12/Cs)

Q113295
KoolBloom® is a highly concentrated nutrient supplement that promotes abundant flowering and facilitates ripening in annual flowers and herbs. KoolBloom® is rich with phosphorus and potassium and contains precise amounts of ripening elements. KoolBloom® is to be used only at the very end of a plant's life cycle and will help build larger, heavier fruits and flowers.
GH Liquid KoolBloom Quart (12/Cs)

GH Liquid KoolBloom Quart (12/Cs)

Q113297
Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and nutrient-transporting acids, it promotes heavy production of essential oils, fantastic flavors and increases fruiting and flower development. Liquid KoolBloom® should be used at the start of the reproductive cycle, initiating larger, heavier fruits and flowers. During the last two weeks, use Dry KoolBloom® for an additional bloom boost and to facilitate ripening.
GH Liquid KoolBloom 55 Gallon

GH Liquid KoolBloom 55 Gallon

Q113301
Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and nutrient-transporting acids, it promotes heavy production of essential oils, fantastic flavors and increases fruiting and flower development. Liquid KoolBloom® should be used at the start of the reproductive cycle, initiating larger, heavier fruits and flowers. During the last two weeks, use Dry KoolBloom® for an additional bloom boost and to facilitate ripening.
GH Armor Si Quart (12/Cs)

GH Armor Si Quart (12/Cs)

Q113309
Armor Si™ is suitable for all types of plants during all stages of growth. It can be used for plants growing in hydroponics, coco coir and all types of media. Use as a growth enhancer with irrigation water, or in addition to your regular fertilizers. Armor Si™ improves plant structure and foliar development, increases yield and improves flower and fruit production. In addition, your plants will experience improved heat and cold tolerance, stress resistance and light absorption, which leads to greater plant stature.
GH Armor Si 2.5 Gallon (2/Cs)

GH Armor Si 2.5 Gallon (2/Cs)

Q113313
Armor Si™ is suitable for all types of plants during all stages of growth. It can be used for plants growing in hydroponics, coco coir and all types of media. Use as a growth enhancer with irrigation water, or in addition to your regular fertilizers. Armor Si™ improves plant structure and foliar development, increases yield and improves flower and fruit production. In addition, your plants will experience improved heat and cold tolerance, stress resistance and light absorption, which leads to greater plant stature.
GH Flora Kleen Quart (12/Cs)

GH Flora Kleen Quart (12/Cs)

Q113317
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.
GH CALiMAGic Gallon (4/Cs)

GH CALiMAGic Gallon (4/Cs)

Q113329
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.
GH Ripen Gallon (4/Cs)

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.
Terpinator 5 Gallon

Terpinator 5 Gallon

Q100129

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.

Purpinator 2.5 Gallon

Purpinator 2.5 Gallon

Q100132

Designed to help enhance the expression of purple in capable cultivars, Purpinator® feeds to help support the increased production of flavonoids (plant pigments) and maintains a neutral plant cell pH. Like Terpinator®, Purpinator® provides the building blocks for secondary metabolites, which helps increase the production of terpenes for improved aromatics and flavors. Use alongside General Hydroponics® nutrients or any feed regimen, whether growing hydro, in soil, or with soilless media.

GH RapidStart 275 ml

GH RapidStart 275 ml

Q100170

RapidStart® is a plant nutrient used to promote root growth while enhancing plant vigor and yield. Strong root networks are linked to larger, more vigorous plants. RapidStart helps plants develop strong root networks. It can be used throughout the vegetative growth stage and in early flower stage to continue to promote root development.

GH Rapid Start Pro 6 Gallon

GH Rapid Start Pro 6 Gallon

Q100174

RapidStart® Professional is a proprietary blend of nutritive plant extracts and minerals that promote explosive root growth. Using RapidStart Professional encourages the formation of fine root hairs and lateral root branching, which in term will enhance plant vigor and yield.

  • RapidStart is highly concentrated and is best used during the vegetative through early flower phases when active root growth occurs.
  • We recommend pre-soaking stone wool cubes, plugs and flats with RapidStart Professional nutrient solution prior to seeding or propagating from cuttings for faster root growth and success.
  • RapidStart Professional is compatible with soil, soilless medias, coir, hydroponics and is suitable for fertilizer injection systems.
GH Floralicious Grow Gallon

GH Floralicious Grow Gallon

Q100057

Floralicious® Grow enhances metabolic activities and nutrient assimilation that result in more vigorous growth. Builds the foundation of root and leaf mass needed for superior harvests.

GH Floralicious Bloom Quart

GH Floralicious Bloom Quart

Q100058

Floralicious® Bloom promotes maximum flower size and fruit swelling for heavier yields. Offers phenomenal flavor and bouquet upon harvest. Leads to more coloration that is vibrant with an improved overall appearance.

GH Flora Nectar Sugar Cane Gallon

GH Flora Nectar Sugar Cane Gallon

Q100289

FloraNectar® is formulated to optimize the greatest transference of sweetness and aroma into your fruits and flowers. It contains all-natural raw can sugar, molasses, malt syrup, select plant-based esters, L-amino acids, organic acids, vitamins, and essential minerals. This unique blend of ingredients helps your plants regulate enzymes that trigger specific reaction involved in maintaining optimal metabolism. This allows your plants to achieve a balance between respiration and photosynthesis in high-intensity growing environments where the rate of respiration can sometimes exceed the rate of photosynthesis.

GH Flora Nectar Pineapple Rush Quart

GH Flora Nectar Pineapple Rush Quart

Q100306

Pineapple Rush is an organic nutrient supplement designed as a sweetener for your fruits and flowers. FloraNectar® is made with quality organic sugars, including molasses and all natural raw cane sugar. Pineapple Rush adds the essence of pineapple to the formula. Pineapple Rush sweetens crops by optimizing the transference of sugars to fruits and flowers. Beyond enhancing the aroma and flavor of your crop, Pineapple Rush maintains plant metabolism by helping them regulate enzymes.

GH FloraPro Ca + Micros 25 lb (80/plt)

GH FloraPro Ca + Micros 25 lb (80/plt)

Q113073
Specifically designed for use in commercial cultivation. FloraPro® Calcium+Micros 14-0-0 plus 17% Ca fertilizer will provide your plants with excellent concentrations of Calcium and micronutrients. FloraPro® Calcium + Micros 14-0-0 plus 17% Ca is meant to be used as part of the FloraPro® product system to provide a complete fertilizer program.
FloraSeries Quart Trial Pack

FloraSeries Quart Trial Pack

Q113093
GH General Organics BioThrive Grow 6 Gallon

GH General Organics BioThrive Grow 6 Gallon

Q113175
BioThrive® Grow is formulated to maximize vegetative growth by supplying plants with a custom diet that stimulates vigorous root and foliage development. Through proper nutrition, we create a strong frame for later flower, fruit, and seed production. Use BioThrive® Grow to give all types of plants a strong start.
GH General Organics BioThrive Bloom Quart (12/Cs)

GH General Organics BioThrive Bloom Quart (12/Cs)

Q113176
BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful harvests. Specially designed to maximize flower, fruit and seed production, this unique formulation will give you bigger, more nutritious and delicious yields. BioThrive® Bloom benefits all kinds of plants during the flowering and fruiting phases of growth.
GH General Organics BioThrive Bloom Quart (12/Cs)

GH General Organics BioThrive Bloom Quart (12/Cs)

Q113177
BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful harvests. Specially designed to maximize flower, fruit and seed production, this unique formulation will give you bigger, more nutritious and delicious yields. BioThrive® Bloom benefits all kinds of plants during the flowering and fruiting phases of growth.
GH KoolBloom 16 lb

GH KoolBloom 16 lb

Q113296
KoolBloom® is a highly concentrated nutrient supplement that promotes abundant flowering and facilitates ripening in annual flowers and herbs. KoolBloom® is rich with phosphorus and potassium and contains precise amounts of ripening elements. KoolBloom® is to be used only at the very end of a plant's life cycle and will help build larger, heavier fruits and flowers.
GH Liquid KoolBloom 2.5 Gallon (2/Cs)

GH Liquid KoolBloom 2.5 Gallon (2/Cs)

Q113299
Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and nutrient-transporting acids, it promotes heavy production of essential oils, fantastic flavors and increases fruiting and flower development. Liquid KoolBloom® should be used at the start of the reproductive cycle, initiating larger, heavier fruits and flowers. During the last two weeks, use Dry KoolBloom® for an additional bloom boost and to facilitate ripening.
GH Armor Si Quart (12/Cs)

GH Armor Si Quart (12/Cs)

Q113308
Armor Si™ is suitable for all types of plants during all stages of growth. It can be used for plants growing in hydroponics, coco coir and all types of media. Use as a growth enhancer with irrigation water, or in addition to your regular fertilizers. Armor Si™ improves plant structure and foliar development, increases yield and improves flower and fruit production. In addition, your plants will experience improved heat and cold tolerance, stress resistance and light absorption, which leads to greater plant stature.
GH Armor Si 2.5 Gallon (2/Cs)

GH Armor Si 2.5 Gallon (2/Cs)

Q113311
Armor Si™ is suitable for all types of plants during all stages of growth. It can be used for plants growing in hydroponics, coco coir and all types of media. Use as a growth enhancer with irrigation water, or in addition to your regular fertilizers. Armor Si™ improves plant structure and foliar development, increases yield and improves flower and fruit production. In addition, your plants will experience improved heat and cold tolerance, stress resistance and light absorption, which leads to greater plant stature.
GH Armor Si 6 Gallon

GH Armor Si 6 Gallon

Q113312
Armor Si™ is suitable for all types of plants during all stages of growth. It can be used for plants growing in hydroponics, coco coir and all types of media. Use as a growth enhancer with irrigation water, or in addition to your regular fertilizers. Armor Si™ improves plant structure and foliar development, increases yield and improves flower and fruit production. In addition, your plants will experience improved heat and cold tolerance, stress resistance and light absorption, which leads to greater plant stature.
GH Armor Si 6 Gallon

GH Armor Si 6 Gallon

Q113315
Armor Si™ is suitable for all types of plants during all stages of growth. It can be used for plants growing in hydroponics, coco coir and all types of media. Use as a growth enhancer with irrigation water, or in addition to your regular fertilizers. Armor Si™ improves plant structure and foliar development, increases yield and improves flower and fruit production. In addition, your plants will experience improved heat and cold tolerance, stress resistance and light absorption, which leads to greater plant stature.
GH Armor Si Gallon (4/Cs)

GH Armor Si Gallon (4/Cs)

Q113316
Armor Si™ is suitable for all types of plants during all stages of growth. It can be used for plants growing in hydroponics, coco coir and all types of media. Use as a growth enhancer with irrigation water, or in addition to your regular fertilizers. Armor Si™ improves plant structure and foliar development, increases yield and improves flower and fruit production. In addition, your plants will experience improved heat and cold tolerance, stress resistance and light absorption, which leads to greater plant stature.
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