General Hydroponics

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GH General Organics Diamond Black Gallon

Diamond Black is derived from 100% pure mined Leonardite, a naturally occurring form of carbon drawn..

$52.30

GH General Organics Diamond Black 2.5 Gallon

Diamond Black is derived from 100% pure mined Leonardite, a naturally occurring form of carbon drawn..

$108.48

GH General Organics Diamond Black 6 Gallon

Diamond Black is derived from 100% pure mined Leonardite, a naturally occurring form of carbon drawn..

$220.96

GH General Organics Diamond Black 15 Gallon

Diamond Black is derived from 100% pure mined Leonardite, a naturally occurring form of carbon drawn..

$552.40

GH General Organics Diamond Black 275 Gallon Tote

Diamond Black is derived from 100% pure mined Leonardite, a naturally occurring form of carbon drawn..

$7,747.41

GH General Organics Go Box

General Organics® provides gardeners with a complete line of premium biological plant foods and supp..

$53.33

GH Hardwater Flora Micro Quart

If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use Flora Micro® Hardwater. If..

$15.94

GH Hardwater Flora Micro Gallon

If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use Flora Micro® Hardwater. If..

$36.58

GH Hardwater Flora Micro 2.5 Gallon

If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use Flora Micro® Hardwater. If..

$84.30

GH Hardwater Flora Micro 6 Gallon

If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use Flora Micro® Hardwater. If..

$170.00

GH Hardwater Flora Micro 15 Gallon

If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use Flora Micro® Hardwater. If..

$425.00

GH Hardwater Flora Micro 275 Gallon Tote

If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use Flora Micro® Hardwater. If..

$5,940.00

GH KoolBloom 2.2 lb

KoolBloom® is a highly concentrated nutrient supplement that promotes abundant flowering and facilit..

$29.40

GH KoolBloom 16 lb

KoolBloom® is a highly concentrated nutrient supplement that promotes abundant flowering and facilit..

$212.00

GH Liquid KoolBloom Quart

Liquid KoolBloom® is a is a bulking agent that goes way beyond other bloom boosters. Enriched with s..

$21.76