Quick view Details General Hydroponics GH General Organics BioThrive Bloom MSRP: Now: $20.21 Choose Options Compare Quick view Details General Hydroponics GH General Organics BioWeed MSRP: Now: $19.81 Out of stock Compare Quick view Details General Hydroponics GH General Organics CaMg+ Cal Mag MSRP: Now: $23.16 Choose Options Compare Quick view Details General Hydroponics GH Hardwater Floramicro MSRP: Now: $184.68 Choose Options Compare Quick view Details General Hydroponics GH Liquid Kool Bloom MSRP: Now: $28.12 Choose Options Compare Quick view Details General Hydroponics GH MaxiBloom MSRP: Now: $17.98 Choose Options Compare Quick view Details General Hydroponics GH MaxiGro MSRP: Now: $19.36 Choose Options Compare Quick view Details General Hydroponics GH pH 4.01 Calibration Solution MSRP: Now: $7.76 Choose Options Compare Quick view Details General Hydroponics GH pH 7.01 Calibration Solution MSRP: Now: $7.87 Out of stock Compare Quick view Details General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) MSRP: Now: $17.38 Add to Cart Compare Quick view Details General Hydroponics GH pH Down Liquid * In Store Pick Up Only MSRP: Now: $12.30 Choose Options Compare Quick view Details General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Quick view General Hydroponics GH General Organics BioThrive Bloom General Hydroponics® BioThrive® Bloom 2 - 4 - 4 BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful... MSRP: Now: $20.21 Choose Options Compare Quick view General Hydroponics GH General Organics BioWeed General Hydroponics® BioWeed® 0.2 - 0 - 0.3 BioWeed® is derived from a blend of cold-processed seaweeds that act as a plant and soil vitality enhancer. Seaweeds have long been recognized... MSRP: Now: $19.81 Out of stock Compare Quick view General Hydroponics GH General Organics CaMg+ Cal Mag General Hydroponics® CaMg Plus® CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is... MSRP: Now: $23.16 Choose Options Compare Quick view General Hydroponics GH Hardwater Floramicro General Hydroponics® Hardwater FloraMicro® 5 - 0 - 1 If your tap water is over 200 ppm or contains calcium above 70 ppm, use FloraMicro® Hardwater. If your water contains 30 to 50 ppm... MSRP: Now: $184.68 Choose Options Compare Quick view General Hydroponics GH Liquid Kool Bloom General Hydroponics® Liquid KoolBloom® 0 - 10 - 10 Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and... MSRP: Now: $28.12 Choose Options Compare Quick view General Hydroponics GH MaxiBloom General Hydroponics® MaxiBloom™ 5 - 15 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $17.98 Choose Options Compare Quick view General Hydroponics GH MaxiGro General Hydroponics® MaxiGro™ 10 - 5 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $19.36 Choose Options Compare Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details General Hydroponics GH General Organics BioWeed MSRP: Now: $19.81 Out of stock Compare Quick view Details General Hydroponics GH General Organics CaMg+ Cal Mag MSRP: Now: $23.16 Choose Options Compare Quick view Details General Hydroponics GH Hardwater Floramicro MSRP: Now: $184.68 Choose Options Compare Quick view Details General Hydroponics GH Liquid Kool Bloom MSRP: Now: $28.12 Choose Options Compare Quick view Details General Hydroponics GH MaxiBloom MSRP: Now: $17.98 Choose Options Compare Quick view Details General Hydroponics GH MaxiGro MSRP: Now: $19.36 Choose Options Compare Quick view Details General Hydroponics GH pH 4.01 Calibration Solution MSRP: Now: $7.76 Choose Options Compare Quick view Details General Hydroponics GH pH 7.01 Calibration Solution MSRP: Now: $7.87 Out of stock Compare Quick view Details General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) MSRP: Now: $17.38 Add to Cart Compare Quick view Details General Hydroponics GH pH Down Liquid * In Store Pick Up Only MSRP: Now: $12.30 Choose Options Compare Quick view Details General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Quick view General Hydroponics GH General Organics BioThrive Bloom General Hydroponics® BioThrive® Bloom 2 - 4 - 4 BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful... MSRP: Now: $20.21 Choose Options Compare Quick view General Hydroponics GH General Organics BioWeed General Hydroponics® BioWeed® 0.2 - 0 - 0.3 BioWeed® is derived from a blend of cold-processed seaweeds that act as a plant and soil vitality enhancer. Seaweeds have long been recognized... MSRP: Now: $19.81 Out of stock Compare Quick view General Hydroponics GH General Organics CaMg+ Cal Mag General Hydroponics® CaMg Plus® CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is... MSRP: Now: $23.16 Choose Options Compare Quick view General Hydroponics GH Hardwater Floramicro General Hydroponics® Hardwater FloraMicro® 5 - 0 - 1 If your tap water is over 200 ppm or contains calcium above 70 ppm, use FloraMicro® Hardwater. If your water contains 30 to 50 ppm... MSRP: Now: $184.68 Choose Options Compare Quick view General Hydroponics GH Liquid Kool Bloom General Hydroponics® Liquid KoolBloom® 0 - 10 - 10 Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and... MSRP: Now: $28.12 Choose Options Compare Quick view General Hydroponics GH MaxiBloom General Hydroponics® MaxiBloom™ 5 - 15 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $17.98 Choose Options Compare Quick view General Hydroponics GH MaxiGro General Hydroponics® MaxiGro™ 10 - 5 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $19.36 Choose Options Compare Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details General Hydroponics GH General Organics CaMg+ Cal Mag MSRP: Now: $23.16 Choose Options Compare Quick view Details General Hydroponics GH Hardwater Floramicro MSRP: Now: $184.68 Choose Options Compare Quick view Details General Hydroponics GH Liquid Kool Bloom MSRP: Now: $28.12 Choose Options Compare Quick view Details General Hydroponics GH MaxiBloom MSRP: Now: $17.98 Choose Options Compare Quick view Details General Hydroponics GH MaxiGro MSRP: Now: $19.36 Choose Options Compare Quick view Details General Hydroponics GH pH 4.01 Calibration Solution MSRP: Now: $7.76 Choose Options Compare Quick view Details General Hydroponics GH pH 7.01 Calibration Solution MSRP: Now: $7.87 Out of stock Compare Quick view Details General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) MSRP: Now: $17.38 Add to Cart Compare Quick view Details General Hydroponics GH pH Down Liquid * In Store Pick Up Only MSRP: Now: $12.30 Choose Options Compare Quick view Details General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Quick view General Hydroponics GH General Organics BioThrive Bloom General Hydroponics® BioThrive® Bloom 2 - 4 - 4 BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful... MSRP: Now: $20.21 Choose Options Compare Quick view General Hydroponics GH General Organics BioWeed General Hydroponics® BioWeed® 0.2 - 0 - 0.3 BioWeed® is derived from a blend of cold-processed seaweeds that act as a plant and soil vitality enhancer. Seaweeds have long been recognized... MSRP: Now: $19.81 Out of stock Compare Quick view General Hydroponics GH General Organics CaMg+ Cal Mag General Hydroponics® CaMg Plus® CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is... MSRP: Now: $23.16 Choose Options Compare Quick view General Hydroponics GH Hardwater Floramicro General Hydroponics® Hardwater FloraMicro® 5 - 0 - 1 If your tap water is over 200 ppm or contains calcium above 70 ppm, use FloraMicro® Hardwater. If your water contains 30 to 50 ppm... MSRP: Now: $184.68 Choose Options Compare Quick view General Hydroponics GH Liquid Kool Bloom General Hydroponics® Liquid KoolBloom® 0 - 10 - 10 Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and... MSRP: Now: $28.12 Choose Options Compare Quick view General Hydroponics GH MaxiBloom General Hydroponics® MaxiBloom™ 5 - 15 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $17.98 Choose Options Compare Quick view General Hydroponics GH MaxiGro General Hydroponics® MaxiGro™ 10 - 5 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $19.36 Choose Options Compare Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details General Hydroponics GH Hardwater Floramicro MSRP: Now: $184.68 Choose Options Compare Quick view Details General Hydroponics GH Liquid Kool Bloom MSRP: Now: $28.12 Choose Options Compare Quick view Details General Hydroponics GH MaxiBloom MSRP: Now: $17.98 Choose Options Compare Quick view Details General Hydroponics GH MaxiGro MSRP: Now: $19.36 Choose Options Compare Quick view Details General Hydroponics GH pH 4.01 Calibration Solution MSRP: Now: $7.76 Choose Options Compare Quick view Details General Hydroponics GH pH 7.01 Calibration Solution MSRP: Now: $7.87 Out of stock Compare Quick view Details General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) MSRP: Now: $17.38 Add to Cart Compare Quick view Details General Hydroponics GH pH Down Liquid * In Store Pick Up Only MSRP: Now: $12.30 Choose Options Compare Quick view Details General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Quick view General Hydroponics GH General Organics BioThrive Bloom General Hydroponics® BioThrive® Bloom 2 - 4 - 4 BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful... MSRP: Now: $20.21 Choose Options Compare Quick view General Hydroponics GH General Organics BioWeed General Hydroponics® BioWeed® 0.2 - 0 - 0.3 BioWeed® is derived from a blend of cold-processed seaweeds that act as a plant and soil vitality enhancer. Seaweeds have long been recognized... MSRP: Now: $19.81 Out of stock Compare Quick view General Hydroponics GH General Organics CaMg+ Cal Mag General Hydroponics® CaMg Plus® CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is... MSRP: Now: $23.16 Choose Options Compare Quick view General Hydroponics GH Hardwater Floramicro General Hydroponics® Hardwater FloraMicro® 5 - 0 - 1 If your tap water is over 200 ppm or contains calcium above 70 ppm, use FloraMicro® Hardwater. If your water contains 30 to 50 ppm... MSRP: Now: $184.68 Choose Options Compare Quick view General Hydroponics GH Liquid Kool Bloom General Hydroponics® Liquid KoolBloom® 0 - 10 - 10 Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and... MSRP: Now: $28.12 Choose Options Compare Quick view General Hydroponics GH MaxiBloom General Hydroponics® MaxiBloom™ 5 - 15 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $17.98 Choose Options Compare Quick view General Hydroponics GH MaxiGro General Hydroponics® MaxiGro™ 10 - 5 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $19.36 Choose Options Compare Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details General Hydroponics GH Liquid Kool Bloom MSRP: Now: $28.12 Choose Options Compare Quick view Details General Hydroponics GH MaxiBloom MSRP: Now: $17.98 Choose Options Compare Quick view Details General Hydroponics GH MaxiGro MSRP: Now: $19.36 Choose Options Compare Quick view Details General Hydroponics GH pH 4.01 Calibration Solution MSRP: Now: $7.76 Choose Options Compare Quick view Details General Hydroponics GH pH 7.01 Calibration Solution MSRP: Now: $7.87 Out of stock Compare Quick view Details General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) MSRP: Now: $17.38 Add to Cart Compare Quick view Details General Hydroponics GH pH Down Liquid * In Store Pick Up Only MSRP: Now: $12.30 Choose Options Compare Quick view Details General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Quick view General Hydroponics GH General Organics BioThrive Bloom General Hydroponics® BioThrive® Bloom 2 - 4 - 4 BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful... MSRP: Now: $20.21 Choose Options Compare Quick view General Hydroponics GH General Organics BioWeed General Hydroponics® BioWeed® 0.2 - 0 - 0.3 BioWeed® is derived from a blend of cold-processed seaweeds that act as a plant and soil vitality enhancer. Seaweeds have long been recognized... MSRP: Now: $19.81 Out of stock Compare Quick view General Hydroponics GH General Organics CaMg+ Cal Mag General Hydroponics® CaMg Plus® CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is... MSRP: Now: $23.16 Choose Options Compare Quick view General Hydroponics GH Hardwater Floramicro General Hydroponics® Hardwater FloraMicro® 5 - 0 - 1 If your tap water is over 200 ppm or contains calcium above 70 ppm, use FloraMicro® Hardwater. If your water contains 30 to 50 ppm... MSRP: Now: $184.68 Choose Options Compare Quick view General Hydroponics GH Liquid Kool Bloom General Hydroponics® Liquid KoolBloom® 0 - 10 - 10 Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and... MSRP: Now: $28.12 Choose Options Compare Quick view General Hydroponics GH MaxiBloom General Hydroponics® MaxiBloom™ 5 - 15 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $17.98 Choose Options Compare Quick view General Hydroponics GH MaxiGro General Hydroponics® MaxiGro™ 10 - 5 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $19.36 Choose Options Compare Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details General Hydroponics GH MaxiBloom MSRP: Now: $17.98 Choose Options Compare Quick view Details General Hydroponics GH MaxiGro MSRP: Now: $19.36 Choose Options Compare Quick view Details General Hydroponics GH pH 4.01 Calibration Solution MSRP: Now: $7.76 Choose Options Compare Quick view Details General Hydroponics GH pH 7.01 Calibration Solution MSRP: Now: $7.87 Out of stock Compare Quick view Details General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) MSRP: Now: $17.38 Add to Cart Compare Quick view Details General Hydroponics GH pH Down Liquid * In Store Pick Up Only MSRP: Now: $12.30 Choose Options Compare Quick view Details General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Quick view General Hydroponics GH General Organics BioThrive Bloom General Hydroponics® BioThrive® Bloom 2 - 4 - 4 BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful... MSRP: Now: $20.21 Choose Options Compare Quick view General Hydroponics GH General Organics BioWeed General Hydroponics® BioWeed® 0.2 - 0 - 0.3 BioWeed® is derived from a blend of cold-processed seaweeds that act as a plant and soil vitality enhancer. Seaweeds have long been recognized... MSRP: Now: $19.81 Out of stock Compare Quick view General Hydroponics GH General Organics CaMg+ Cal Mag General Hydroponics® CaMg Plus® CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is... MSRP: Now: $23.16 Choose Options Compare Quick view General Hydroponics GH Hardwater Floramicro General Hydroponics® Hardwater FloraMicro® 5 - 0 - 1 If your tap water is over 200 ppm or contains calcium above 70 ppm, use FloraMicro® Hardwater. If your water contains 30 to 50 ppm... MSRP: Now: $184.68 Choose Options Compare Quick view General Hydroponics GH Liquid Kool Bloom General Hydroponics® Liquid KoolBloom® 0 - 10 - 10 Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and... MSRP: Now: $28.12 Choose Options Compare Quick view General Hydroponics GH MaxiBloom General Hydroponics® MaxiBloom™ 5 - 15 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $17.98 Choose Options Compare Quick view General Hydroponics GH MaxiGro General Hydroponics® MaxiGro™ 10 - 5 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $19.36 Choose Options Compare Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details General Hydroponics GH MaxiGro MSRP: Now: $19.36 Choose Options Compare Quick view Details General Hydroponics GH pH 4.01 Calibration Solution MSRP: Now: $7.76 Choose Options Compare Quick view Details General Hydroponics GH pH 7.01 Calibration Solution MSRP: Now: $7.87 Out of stock Compare Quick view Details General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) MSRP: Now: $17.38 Add to Cart Compare Quick view Details General Hydroponics GH pH Down Liquid * In Store Pick Up Only MSRP: Now: $12.30 Choose Options Compare Quick view Details General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Quick view General Hydroponics GH General Organics BioThrive Bloom General Hydroponics® BioThrive® Bloom 2 - 4 - 4 BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful... MSRP: Now: $20.21 Choose Options Compare Quick view General Hydroponics GH General Organics BioWeed General Hydroponics® BioWeed® 0.2 - 0 - 0.3 BioWeed® is derived from a blend of cold-processed seaweeds that act as a plant and soil vitality enhancer. Seaweeds have long been recognized... MSRP: Now: $19.81 Out of stock Compare Quick view General Hydroponics GH General Organics CaMg+ Cal Mag General Hydroponics® CaMg Plus® CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is... MSRP: Now: $23.16 Choose Options Compare Quick view General Hydroponics GH Hardwater Floramicro General Hydroponics® Hardwater FloraMicro® 5 - 0 - 1 If your tap water is over 200 ppm or contains calcium above 70 ppm, use FloraMicro® Hardwater. If your water contains 30 to 50 ppm... MSRP: Now: $184.68 Choose Options Compare Quick view General Hydroponics GH Liquid Kool Bloom General Hydroponics® Liquid KoolBloom® 0 - 10 - 10 Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and... MSRP: Now: $28.12 Choose Options Compare Quick view General Hydroponics GH MaxiBloom General Hydroponics® MaxiBloom™ 5 - 15 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $17.98 Choose Options Compare Quick view General Hydroponics GH MaxiGro General Hydroponics® MaxiGro™ 10 - 5 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $19.36 Choose Options Compare Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details General Hydroponics GH pH 4.01 Calibration Solution MSRP: Now: $7.76 Choose Options Compare Quick view Details General Hydroponics GH pH 7.01 Calibration Solution MSRP: Now: $7.87 Out of stock Compare Quick view Details General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) MSRP: Now: $17.38 Add to Cart Compare Quick view Details General Hydroponics GH pH Down Liquid * In Store Pick Up Only MSRP: Now: $12.30 Choose Options Compare Quick view Details General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Quick view General Hydroponics GH General Organics BioThrive Bloom General Hydroponics® BioThrive® Bloom 2 - 4 - 4 BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful... MSRP: Now: $20.21 Choose Options Compare Quick view General Hydroponics GH General Organics BioWeed General Hydroponics® BioWeed® 0.2 - 0 - 0.3 BioWeed® is derived from a blend of cold-processed seaweeds that act as a plant and soil vitality enhancer. Seaweeds have long been recognized... MSRP: Now: $19.81 Out of stock Compare Quick view General Hydroponics GH General Organics CaMg+ Cal Mag General Hydroponics® CaMg Plus® CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is... MSRP: Now: $23.16 Choose Options Compare Quick view General Hydroponics GH Hardwater Floramicro General Hydroponics® Hardwater FloraMicro® 5 - 0 - 1 If your tap water is over 200 ppm or contains calcium above 70 ppm, use FloraMicro® Hardwater. If your water contains 30 to 50 ppm... MSRP: Now: $184.68 Choose Options Compare Quick view General Hydroponics GH Liquid Kool Bloom General Hydroponics® Liquid KoolBloom® 0 - 10 - 10 Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and... MSRP: Now: $28.12 Choose Options Compare Quick view General Hydroponics GH MaxiBloom General Hydroponics® MaxiBloom™ 5 - 15 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $17.98 Choose Options Compare Quick view General Hydroponics GH MaxiGro General Hydroponics® MaxiGro™ 10 - 5 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $19.36 Choose Options Compare Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details General Hydroponics GH pH 7.01 Calibration Solution MSRP: Now: $7.87 Out of stock Compare Quick view Details General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) MSRP: Now: $17.38 Add to Cart Compare Quick view Details General Hydroponics GH pH Down Liquid * In Store Pick Up Only MSRP: Now: $12.30 Choose Options Compare Quick view Details General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Quick view General Hydroponics GH General Organics BioThrive Bloom General Hydroponics® BioThrive® Bloom 2 - 4 - 4 BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful... MSRP: Now: $20.21 Choose Options Compare Quick view General Hydroponics GH General Organics BioWeed General Hydroponics® BioWeed® 0.2 - 0 - 0.3 BioWeed® is derived from a blend of cold-processed seaweeds that act as a plant and soil vitality enhancer. Seaweeds have long been recognized... MSRP: Now: $19.81 Out of stock Compare Quick view General Hydroponics GH General Organics CaMg+ Cal Mag General Hydroponics® CaMg Plus® CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is... MSRP: Now: $23.16 Choose Options Compare Quick view General Hydroponics GH Hardwater Floramicro General Hydroponics® Hardwater FloraMicro® 5 - 0 - 1 If your tap water is over 200 ppm or contains calcium above 70 ppm, use FloraMicro® Hardwater. If your water contains 30 to 50 ppm... MSRP: Now: $184.68 Choose Options Compare Quick view General Hydroponics GH Liquid Kool Bloom General Hydroponics® Liquid KoolBloom® 0 - 10 - 10 Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and... MSRP: Now: $28.12 Choose Options Compare Quick view General Hydroponics GH MaxiBloom General Hydroponics® MaxiBloom™ 5 - 15 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $17.98 Choose Options Compare Quick view General Hydroponics GH MaxiGro General Hydroponics® MaxiGro™ 10 - 5 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $19.36 Choose Options Compare Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) MSRP: Now: $17.38 Add to Cart Compare Quick view Details General Hydroponics GH pH Down Liquid * In Store Pick Up Only MSRP: Now: $12.30 Choose Options Compare Quick view Details General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Quick view General Hydroponics GH General Organics BioThrive Bloom General Hydroponics® BioThrive® Bloom 2 - 4 - 4 BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful... MSRP: Now: $20.21 Choose Options Compare Quick view General Hydroponics GH General Organics BioWeed General Hydroponics® BioWeed® 0.2 - 0 - 0.3 BioWeed® is derived from a blend of cold-processed seaweeds that act as a plant and soil vitality enhancer. Seaweeds have long been recognized... MSRP: Now: $19.81 Out of stock Compare Quick view General Hydroponics GH General Organics CaMg+ Cal Mag General Hydroponics® CaMg Plus® CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is... MSRP: Now: $23.16 Choose Options Compare Quick view General Hydroponics GH Hardwater Floramicro General Hydroponics® Hardwater FloraMicro® 5 - 0 - 1 If your tap water is over 200 ppm or contains calcium above 70 ppm, use FloraMicro® Hardwater. If your water contains 30 to 50 ppm... MSRP: Now: $184.68 Choose Options Compare Quick view General Hydroponics GH Liquid Kool Bloom General Hydroponics® Liquid KoolBloom® 0 - 10 - 10 Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and... MSRP: Now: $28.12 Choose Options Compare Quick view General Hydroponics GH MaxiBloom General Hydroponics® MaxiBloom™ 5 - 15 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $17.98 Choose Options Compare Quick view General Hydroponics GH MaxiGro General Hydroponics® MaxiGro™ 10 - 5 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $19.36 Choose Options Compare Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details General Hydroponics GH pH Down Liquid * In Store Pick Up Only MSRP: Now: $12.30 Choose Options Compare Quick view Details General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Quick view General Hydroponics GH General Organics BioThrive Bloom General Hydroponics® BioThrive® Bloom 2 - 4 - 4 BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful... MSRP: Now: $20.21 Choose Options Compare Quick view General Hydroponics GH General Organics BioWeed General Hydroponics® BioWeed® 0.2 - 0 - 0.3 BioWeed® is derived from a blend of cold-processed seaweeds that act as a plant and soil vitality enhancer. Seaweeds have long been recognized... MSRP: Now: $19.81 Out of stock Compare Quick view General Hydroponics GH General Organics CaMg+ Cal Mag General Hydroponics® CaMg Plus® CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is... MSRP: Now: $23.16 Choose Options Compare Quick view General Hydroponics GH Hardwater Floramicro General Hydroponics® Hardwater FloraMicro® 5 - 0 - 1 If your tap water is over 200 ppm or contains calcium above 70 ppm, use FloraMicro® Hardwater. If your water contains 30 to 50 ppm... MSRP: Now: $184.68 Choose Options Compare Quick view General Hydroponics GH Liquid Kool Bloom General Hydroponics® Liquid KoolBloom® 0 - 10 - 10 Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and... MSRP: Now: $28.12 Choose Options Compare Quick view General Hydroponics GH MaxiBloom General Hydroponics® MaxiBloom™ 5 - 15 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $17.98 Choose Options Compare Quick view General Hydroponics GH MaxiGro General Hydroponics® MaxiGro™ 10 - 5 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $19.36 Choose Options Compare Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Quick view General Hydroponics GH General Organics BioThrive Bloom General Hydroponics® BioThrive® Bloom 2 - 4 - 4 BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful... MSRP: Now: $20.21 Choose Options Compare Quick view General Hydroponics GH General Organics BioWeed General Hydroponics® BioWeed® 0.2 - 0 - 0.3 BioWeed® is derived from a blend of cold-processed seaweeds that act as a plant and soil vitality enhancer. Seaweeds have long been recognized... MSRP: Now: $19.81 Out of stock Compare Quick view General Hydroponics GH General Organics CaMg+ Cal Mag General Hydroponics® CaMg Plus® CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is... MSRP: Now: $23.16 Choose Options Compare Quick view General Hydroponics GH Hardwater Floramicro General Hydroponics® Hardwater FloraMicro® 5 - 0 - 1 If your tap water is over 200 ppm or contains calcium above 70 ppm, use FloraMicro® Hardwater. If your water contains 30 to 50 ppm... MSRP: Now: $184.68 Choose Options Compare Quick view General Hydroponics GH Liquid Kool Bloom General Hydroponics® Liquid KoolBloom® 0 - 10 - 10 Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and... MSRP: Now: $28.12 Choose Options Compare Quick view General Hydroponics GH MaxiBloom General Hydroponics® MaxiBloom™ 5 - 15 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $17.98 Choose Options Compare Quick view General Hydroponics GH MaxiGro General Hydroponics® MaxiGro™ 10 - 5 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $19.36 Choose Options Compare Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view General Hydroponics GH General Organics BioThrive Bloom General Hydroponics® BioThrive® Bloom 2 - 4 - 4 BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful... MSRP: Now: $20.21 Choose Options Compare Quick view General Hydroponics GH General Organics BioWeed General Hydroponics® BioWeed® 0.2 - 0 - 0.3 BioWeed® is derived from a blend of cold-processed seaweeds that act as a plant and soil vitality enhancer. Seaweeds have long been recognized... MSRP: Now: $19.81 Out of stock Compare Quick view General Hydroponics GH General Organics CaMg+ Cal Mag General Hydroponics® CaMg Plus® CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is... MSRP: Now: $23.16 Choose Options Compare Quick view General Hydroponics GH Hardwater Floramicro General Hydroponics® Hardwater FloraMicro® 5 - 0 - 1 If your tap water is over 200 ppm or contains calcium above 70 ppm, use FloraMicro® Hardwater. If your water contains 30 to 50 ppm... MSRP: Now: $184.68 Choose Options Compare Quick view General Hydroponics GH Liquid Kool Bloom General Hydroponics® Liquid KoolBloom® 0 - 10 - 10 Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and... MSRP: Now: $28.12 Choose Options Compare Quick view General Hydroponics GH MaxiBloom General Hydroponics® MaxiBloom™ 5 - 15 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $17.98 Choose Options Compare Quick view General Hydroponics GH MaxiGro General Hydroponics® MaxiGro™ 10 - 5 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $19.36 Choose Options Compare Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view General Hydroponics GH General Organics BioWeed General Hydroponics® BioWeed® 0.2 - 0 - 0.3 BioWeed® is derived from a blend of cold-processed seaweeds that act as a plant and soil vitality enhancer. Seaweeds have long been recognized... MSRP: Now: $19.81 Out of stock Compare Quick view General Hydroponics GH General Organics CaMg+ Cal Mag General Hydroponics® CaMg Plus® CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is... MSRP: Now: $23.16 Choose Options Compare Quick view General Hydroponics GH Hardwater Floramicro General Hydroponics® Hardwater FloraMicro® 5 - 0 - 1 If your tap water is over 200 ppm or contains calcium above 70 ppm, use FloraMicro® Hardwater. If your water contains 30 to 50 ppm... MSRP: Now: $184.68 Choose Options Compare Quick view General Hydroponics GH Liquid Kool Bloom General Hydroponics® Liquid KoolBloom® 0 - 10 - 10 Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and... MSRP: Now: $28.12 Choose Options Compare Quick view General Hydroponics GH MaxiBloom General Hydroponics® MaxiBloom™ 5 - 15 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $17.98 Choose Options Compare Quick view General Hydroponics GH MaxiGro General Hydroponics® MaxiGro™ 10 - 5 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $19.36 Choose Options Compare Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view General Hydroponics GH General Organics CaMg+ Cal Mag General Hydroponics® CaMg Plus® CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is... MSRP: Now: $23.16 Choose Options Compare Quick view General Hydroponics GH Hardwater Floramicro General Hydroponics® Hardwater FloraMicro® 5 - 0 - 1 If your tap water is over 200 ppm or contains calcium above 70 ppm, use FloraMicro® Hardwater. If your water contains 30 to 50 ppm... MSRP: Now: $184.68 Choose Options Compare Quick view General Hydroponics GH Liquid Kool Bloom General Hydroponics® Liquid KoolBloom® 0 - 10 - 10 Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and... MSRP: Now: $28.12 Choose Options Compare Quick view General Hydroponics GH MaxiBloom General Hydroponics® MaxiBloom™ 5 - 15 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $17.98 Choose Options Compare Quick view General Hydroponics GH MaxiGro General Hydroponics® MaxiGro™ 10 - 5 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $19.36 Choose Options Compare Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view General Hydroponics GH Hardwater Floramicro General Hydroponics® Hardwater FloraMicro® 5 - 0 - 1 If your tap water is over 200 ppm or contains calcium above 70 ppm, use FloraMicro® Hardwater. If your water contains 30 to 50 ppm... MSRP: Now: $184.68 Choose Options Compare Quick view General Hydroponics GH Liquid Kool Bloom General Hydroponics® Liquid KoolBloom® 0 - 10 - 10 Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and... MSRP: Now: $28.12 Choose Options Compare Quick view General Hydroponics GH MaxiBloom General Hydroponics® MaxiBloom™ 5 - 15 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $17.98 Choose Options Compare Quick view General Hydroponics GH MaxiGro General Hydroponics® MaxiGro™ 10 - 5 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $19.36 Choose Options Compare Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view General Hydroponics GH Liquid Kool Bloom General Hydroponics® Liquid KoolBloom® 0 - 10 - 10 Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and... MSRP: Now: $28.12 Choose Options Compare Quick view General Hydroponics GH MaxiBloom General Hydroponics® MaxiBloom™ 5 - 15 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $17.98 Choose Options Compare Quick view General Hydroponics GH MaxiGro General Hydroponics® MaxiGro™ 10 - 5 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $19.36 Choose Options Compare Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view General Hydroponics GH MaxiBloom General Hydroponics® MaxiBloom™ 5 - 15 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $17.98 Choose Options Compare Quick view General Hydroponics GH MaxiGro General Hydroponics® MaxiGro™ 10 - 5 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $19.36 Choose Options Compare Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view General Hydroponics GH MaxiGro General Hydroponics® MaxiGro™ 10 - 5 - 14 MaxiGro™ and MaxiBloom™ are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary... MSRP: Now: $19.36 Choose Options Compare Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view General Hydroponics GH pH 4.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.76 Choose Options Compare Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view General Hydroponics GH pH 7.01 Calibration Solution General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS... MSRP: Now: $7.87 Out of stock Compare Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view General Hydroponics | sku: 722080 GH pH Control Kit (12/Cs) General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial MSRP: Now: $17.38 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected
Quick view General Hydroponics | sku: 722140 GH pH Test Indicator 8 oz MSRP: $38.50 Now: $12.11 Add to Cart Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected