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Grotek pH #7 Calibration Solution (500 ml) - Dutchman's Hydroponics & Garden Supply

    Grotek pH #7 Calibration Solution (500 ml)

    $13.00
    PRODUCT DESCRIPTION

    Grotek pH #7 Calibration Solution (500 ml)

    • Ideal for most pH meters
    • Conveniently colour coded
    • Calibrate pH meters regularly to keep them accurate
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