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General Hydroponics

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General Hydroponics GH pH Down - Qt

For plants to grow their best, it's important that the nutrient pH be slightly acidic - the range of 5.5 to 6.5 is considered ideal for most crops. Our own pH Down is made with phosphoric acid. There are many pH down products on the market, but you get mo

GH pH Down - Qt

$15.99

General Hydroponics GH pH Down - Gal

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

GH pH Down - Gal

$39.06

General Hydroponics GH Maxigro 2.2 lb Pouch

MaxiGro (10-5-15) is a strong one-part dry nutrient gardeners use to start plants and to promote fast growth during the vegetative stage. It improves plant yield and is pH buffered to help reduce pH drift. MaxiGro is easy-to-use and works well in hydropon

GH Maxigro 2.2 lb Pouch

$21.72

General Hydroponics GH Koolbloom Liquid qt

Gardeners can give plants a boost during the final phases of fruiting and flowering with KoolBloom (0-10-10). A reformulation of the popular dry supplement, KoolBloom Liquid virtually eliminates the mess and hassle of mixing. Designed for use in the se

GH Koolbloom Liquid qt

$30.18

General Hydroponics GH Koolbloom Liquid gal

Gardeners can give plants a boost during the final phases of fruiting and flowering with KoolBloom (0-10-10). A reformulation of the popular dry supplement, KoolBloom Liquid virtually eliminates the mess and hassle of mixing. Designed for use in the se

GH Koolbloom Liquid gal

$79.93

General Hydroponics GH FloraNectar FruitnFusion gal

General Hydroponics' scientists have formulated FloraNectar to optimize the greatest transference of sweetness and aroma into your fruits and flowers. FloraNectar contains all natural raw cane sugar, molasses, malt syrup, select plant based esters, L-amin

GH FloraNectar FruitnFusion gal

$77.54

General Hydroponics GH Flora Micro - qt

The FloraGro (2-1-6), FloraBloom(0-5-4), and FloraMicro (5-0-1) series of hydroponic fertilizers from General Hydroponics represents the collective contribution of many famous scientists in the fields of hydroponics, agriculture, and chemistry. The con

GH Flora Micro - qt

$21.49

General Hydroponics GH Flora Micro - 6 gal

The FloraGro (2-1-6), FloraBloom(0-5-4), and FloraMicro (5-0-1) series of hydroponic fertilizers from General Hydroponics represents the collective contribution of many famous scientists in the fields of hydroponics, agriculture, and chemistry. The con

GH Flora Micro - 6 gal

$214.28

General Hydroponics GH Flora Micro - 2.5 gal

The FloraGro (2-1-6), FloraBloom(0-5-4), and FloraMicro (5-0-1) series of hydroponic fertilizers from General Hydroponics represents the collective contribution of many famous scientists in the fields of hydroponics, agriculture, and chemistry. The con

GH Flora Micro - 2.5 gal

$111.45

General Hydroponics GH Flora Kleen gal

Flora Kleen is a new break through cleaning flush solution from General Hydroponics. Flora Kleen is formulated to remove fertilizer residue that can accumulate in hydroponic systems, growing media, and potting soils over time. Use Flora Kleen monthly to m

GH Flora Kleen gal

$30.99

General Hydroponics GH Flora Gro - gal

The FloraGro (2-1-6), FloraBloom(0-5-4), and FloraMicro (5-0-1) series of hydroponic fertilizers from General Hydroponics represents the collective contribution of many famous scientists in the fields of hydroponics, agriculture, and chemistry. The co

GH Flora Gro - gal

$40.53

General Hydroponics GH Flora Gro - 6 gal

The FloraGro (2-1-6), FloraBloom(0-5-4), and FloraMicro (5-0-1) series of hydroponic fertilizers from General Hydroponics represents the collective contribution of many famous scientists in the fields of hydroponics, agriculture, and chemistry. The con

GH Flora Gro - 6 gal

$177.45

General Hydroponics GH Flora Gro - 2.5 gal

The FloraGro (2-1-6), FloraBloom(0-5-4), and FloraMicro (5-0-1) series of hydroponic fertilizers from General Hydroponics represents the collective contribution of many famous scientists in the fields of hydroponics, agriculture, and chemistry. The co

GH Flora Gro - 2.5 gal

$92.47

General Hydroponics GH Flora Bloom - 2.5 gal

The FloraGro (2-1-6), FloraBloom(0-5-4), and FloraMicro (5-0-1) series of hydroponic fertilizers from General Hydroponics represents the collective contribution of many famous scientists in the fields of hydroponics, agriculture, and chemistry. The con

GH Flora Bloom - 2.5 gal

$92.47

General Hydroponics GH Diamond Nectar - qt

We offer only the highest quality, most effective Fulvic Acid available. Fulvic acid is the most plant active of the Humic Acid compounds, offering physical, chemical and biological benefits. Diamond Nectar can be used in hydroponic solutions or combin

GH Diamond Nectar - qt

$25.99

General Hydroponics GH CALiMAGic Calcium and Magnesium Qt

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

GH CALiMAGic Calcium and Magnesium Qt

$25.14

General Hydroponics GH CALiMAGic Calcium and Magnesium Gal

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

GH CALiMAGic Calcium and Magnesium Gal

$62.93

General Hydroponics GH Biothrive Grow qt

BioThrive formulas are specifically designed to meet the comprehensive needs of all plants through every stage of growth. General Hydroponics bases their formulations on ecological principals that maintain respect for the environment while providing plant

GH Biothrive Grow qt

$22.03

General Hydroponics GH Biothrive Grow gal

BioThrive formulas are specifically designed to meet the comprehensive needs of all plants through every stage of growth. General Hydroponics bases their formulations on ecological principals that maintain respect for the environment while providing plant

GH Biothrive Grow gal

$85.17

$59.62

General Hydroponics GH Biothrive Bloom qt

BioThrive formulas are specifically designed to meet the comprehensive needs of all plants through every stage of growth. General Hydroponics bases their formulations on ecological principals that maintain respect for the environment while providing plan

GH Biothrive Bloom qt

$23.87

General Hydroponics GH Bioroot gal

BioRoot is a natural root growth supplement that helps plants establish healthy and vibrant root systems. It contains vitamins, enzymes, organic and humic acids that stimulate root growth. BioRoot is outstanding for seedlings and cuttings, helping young p

$70.17

$42.11

General Hydroponics GH Biobud qt

BioBud is a powerful bloom stimulator that generates explosive flowering and massive fruit production. BioBud increases metabolic activity and mineral uptake by utilizing bio-stimulants and organic transport enhancers. This induces abundant, dense floral

$57.18

$40.03

General Hydroponics GH Armor Si Quart

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

GH Armor Si Quart

$29.80