General Hydroponics
General Hydroponics GH General Organics BioThrive Bloom 6 Gallon
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
$346.76
$208.06
General Hydroponics GH pH Test Kit 1 oz (24/Cs)
General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced growers prefer our pH Test Kit to expens
$9.59
$5.75
General Hydroponics GH pH Test Indicator 8 oz
General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced growers prefer our pH Test Kit to expens
$14.68
$8.81
General Hydroponics GH pH Down Liquid Quart (12/Cs)
The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level.
$14.39
$8.63
General Hydroponics GH pH Up Liquid Gallon (4/Cs)
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.
$35.87
$21.52
General Hydroponics GH pH Up Liquid Quart (12/Cs)
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.
$14.39
$8.63
General Hydroponics GH pH Control Kit (12/Cs)
General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial.
$22.98
$13.79
General Hydroponics GH pH 7.01 Calibration Solution Quart (12/Cs)
General Hydroponics uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technicians check each batch to ensure that our solutions are p
$25.75
$15.45
General Hydroponics GH pH 4.01 Calibration Solution 8 oz (12/Cs)
General Hydroponics uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technicians check each batch to ensure that our solutions are p
$9.03
$5.42
General Hydroponics GH RapidStart 1 Liter (6/Cs)
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 vegeta
$210.53
$126.32
General Hydroponics GH RapidStart Gallon (4/Cs)
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 vegeta
$722.51
$433.51
General Hydroponics GH RapidStart 500 ml (12/Cs)
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 vegeta
$108.95
$65.37
General Hydroponics GH RapidStart 275 ml (12/Cs)
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 vegeta
$58.63
$35.18
General Hydroponics GH General Organics BioWeed 6 Gallon
$406.06
$243.64
General Hydroponics GH General Organics CaMg+ 6 Gallon
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 comp
$397.30
$238.38
General Hydroponics GH General Organics CaMg+ Gallon (4/Cs)
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 comp
$77.69
$46.61