Ph Meters

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  • PH-55 + TDS III Combo

    $79.95

    HM DIGITAL TDS III Hand Held TDS meter w/leather case + The PH-55 pH meter. A power packed combo for accurate water testing…MPN#16220#

  • The PH-55

    $57.78

    The PH-55 Ph Meter is a feature packed meter at an affordable price! With features such as a splash proof keypad, automatic…UPC#810666001552#