pH/ppm Meters & Solutions

Keeping your pH and ppm at the right levels can be a challenging task for any gardener, but is very important for optimal growth. These tools make easy work of maintaining your gardens pH and nutrient strength.

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  • General Hydroponics pH Up, 1 Qt
    $10.28
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  • General Hydroponics pH Down, 1 Qt
    $10.28
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  • General Hydroponics pH Control Kit
    $16.42
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  • General Hydroponics pH Down, 1 gal
    $25.62
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  • General Hydroponics pH Up, 1 gal
    $25.62
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  • General Hydroponics pH Indicator Solution, 8 oz
    $9.69
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  • General Hydroponics pH Test Kit
    $7.19
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  • General Hydroponics 4.0 pH Calibration Solution, 1 Qt
    $18.15
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  • General Hydroponics 7.0 pH Calibration Solution, 1 Qt
    $19.29
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  • General Hydroponics 7.0 pH Calibration Solution, 8 oz
    $6.77
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  • General Hydroponics 4.0 pH Calibration Solution, 8 oz
    $6.77
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