General Hydroponics PH Control
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GH 1500 PPM Reference Solution - 8OZ
General Hydroponics PH Control
$8.92GH 1500 PPM Reference Solution - 8OZ$8.92Qty in Cart: 0Quantity:Price:$8.92Subtotal: -
GH pH 4.01 Calibration Solution - 1 QT
General Hydroponics PH Control
MSRP: $25.76$23.18General 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...MSRP: $25.76$23.18Qty in Cart: 0Quantity:Price:MSRP: $25.76$23.18Subtotal: -
GH pH 4.01 Calibration Solution - 8OZ
General Hydroponics PH Control
$9.03General 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...$9.03Qty in Cart: 0Quantity:Price:$9.03Subtotal: -
GH pH 7.01 Calibration Solution - 1 QT
General Hydroponics PH Control
MSRP: $25.76$23.18General 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...MSRP: $25.76$23.18Qty in Cart: 0Quantity:Price:MSRP: $25.76$23.18Subtotal: -
GH pH 7.01 Calibration Solution - 8OZ
General Hydroponics PH Control
$9.03General 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...$9.03Qty in Cart: 0Quantity:Price:$9.03Subtotal: -
GH Ph Control Kit
General Hydroponics PH Control
MSRP: $22.49$20.48General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial.MSRP: $22.49$20.48Qty in Cart: 0Quantity:Price:MSRP: $22.49$20.48Subtotal: -
GH pH Down Liquid - 1 GAL
General Hydroponics PH Control
$35.15The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level.$35.15Qty in Cart: 0Quantity:Price:$35.15Subtotal: -
GH pH Down Liquid - 1 QT
General Hydroponics PH Control
$15.68The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level.$15.68Qty in Cart: 0Quantity:Price:$15.68Subtotal: -
GH pH Down Liquid - 8OZ
General Hydroponics PH Control
$10.59The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level.$10.59Qty in Cart: 0Quantity:Price:$10.59Subtotal: -
GH pH Test Indicator (Solution) - 8OZ
General Hydroponics PH Control
$14.53General 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...$14.53Qty in Cart: 0Quantity:Price:$14.53Subtotal: -
GH PH Test Indicator Kit 1oz
General Hydroponics PH Control
$9.59General 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...$9.59Qty in Cart: 0Quantity:Price:$9.59Subtotal: -
$15.05Qty in Cart: 0Quantity:Price:$15.05Subtotal: