General Hydroponics PH Control

General Hydroponics PH Control

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  • GH 1500 PPM Reference Solution - 8OZ GH 1500 PPM Reference Solution - 8OZ
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    GH 1500 PPM Reference Solution - 8OZ

    General Hydroponics PH Control

    $8.92
    GH 1500 PPM Reference Solution - 8OZ
    $8.92
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    $8.92
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  • GH pH 4.01 Calibration Solution - 1 QT GH pH 4.01 Calibration Solution - 1 QT
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    GH pH 4.01 Calibration Solution - 1 QT

    General Hydroponics PH Control

    MSRP: $25.76
    $23.18
    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...
    MSRP: $25.76
    $23.18
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    MSRP: $25.76
    $23.18
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  • GH pH 4.01 Calibration Solution - 8OZ GH pH 4.01 Calibration Solution - 8OZ
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    GH pH 4.01 Calibration Solution - 8OZ

    General Hydroponics PH Control

    $9.03
    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...
    $9.03
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    Qty in Cart: 0
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    $9.03
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  • GH pH 7.01 Calibration Solution - 1 QT GH pH 7.01 Calibration Solution - 1 QT
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    GH pH 7.01 Calibration Solution - 1 QT

    General Hydroponics PH Control

    MSRP: $25.76
    $23.18
    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...
    MSRP: $25.76
    $23.18
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    Qty in Cart: 0
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    Price:
    MSRP: $25.76
    $23.18
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  • GH pH 7.01 Calibration Solution - 8OZ GH pH 7.01 Calibration Solution - 8OZ
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    GH pH 7.01 Calibration Solution - 8OZ

    General Hydroponics PH Control

    $9.03
    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...
    $9.03
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    Qty in Cart: 0
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    Price:
    $9.03
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  • GH Ph Control Kit GH Ph Control Kit
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    GH Ph Control Kit

    General Hydroponics PH Control

    MSRP: $22.49
    $20.48
    General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial.
    MSRP: $22.49
    $20.48
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    MSRP: $22.49
    $20.48
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  • GH pH Down Liquid - 1 GAL GH pH Down Liquid - 1 GAL
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    GH pH Down Liquid - 1 GAL

    General Hydroponics PH Control

    $35.15
    The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level.
    $35.15
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    $35.15
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  • GH pH Down Liquid - 1 QT GH pH Down Liquid - 1 QT
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    GH pH Down Liquid - 1 QT

    General Hydroponics PH Control

    $15.68
    The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level.
    $15.68
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    $15.68
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  • GH pH Down Liquid - 8OZ GH pH Down Liquid - 8OZ
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    GH pH Down Liquid - 8OZ

    General Hydroponics PH Control

    $10.59
    The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level.
    $10.59
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    $10.59
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  • GH pH Test Indicator (Solution) - 8OZ GH pH Test Indicator (Solution) - 8OZ
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    GH pH Test Indicator (Solution) - 8OZ

    General Hydroponics PH Control

    $14.53
    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...
    $14.53
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    $14.53
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  • GH PH Test Indicator Kit 1oz GH PH Test Indicator Kit 1oz
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    GH PH Test Indicator Kit 1oz

    General Hydroponics PH Control

    $9.59
    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...
    $9.59
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    $9.59
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  • GH Ph Up Dry - 2.2LB (DISCONTINUED)
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    GH Ph Up Dry - 2.2LB (DISCONTINUED)

    General Hydroponics PH Control

    $15.05
    OBSOLETE SIZE
    $15.05
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    $15.05
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