1500 ppm Calibration Solution 1 qt
General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use o..
1500 ppm Calibration Solution 8 oz
General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use o..
pH 4.01 Calibration Solution   8 oz
General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use o..
pH 4.01 Calibration Solution 1 qt
General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use o..
pH 7.0 Calibration Solution   8 oz
General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use o..
pH 7.0 Calibration Solution 1 qt
General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use o..
pH Control Kit
General Hydroponics;pH Control Kit;GH;hydroponics;pH test kit;nutrient pH testerProvides everything ..
pH Down Acid   8oz
Hydroponics;Gardening;Fertilizer;Soil;Nutrients;Additives;General Hydroponics;pH downThe premium sol..
pH Down Acid  Quart
Hydroponics;Gardening;Fertilizer;Soil;Nutrients;Additives;General Hydroponics;pH down The premium so..
pH Down Acid Gallon
Hydroponics;Gardening;Fertilizer;Soil;Nutrients;Additives;General Hydroponics;pH down The premium so..
pH Test Indicator 8 oz
Fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the colora..
pH Test Kit, 1 oz
pH test kit Contains pH test fluid and test strips..
pH Up   8oz Base
Hydroponics;Gardening;Fertilizer;Soil;Nutrients;Additives;General Hydroponics;pH;pH UpThe premium so..
pH Up   Base Quart
Hydroponics;Gardening;Fertilizer;Soil;Nutrients;Additives;General Hydroponics;pH;pH UpThe premium so..
PH up  Gallon
$26.90
Hydroponics;Gardening;Fertilizer;Soil;Nutrients;Additives;General Hydroponics;pH;pH UpThe premium so..
Showing 1 to 15 of 17 (2 Pages)