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Home / HM Digital Meters

HM Digital Meters

Showing all 4 results

  • HM Digital 1000 ppm TDS calibration solution bottle for calibrating TDS and EC meters.

    HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)

    $10.99
  • HM Digital COM-80 waterproof EC, TDS, and Temperature meter for hydroponic nutrient solution testing.

    HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester

    $52.99
  • HM Digital PH-80 handheld pH and temperature meter for hydroponics, propagation, aquariums, and water quality testing.

    HM Digital PH-80 pH/Temperature Meter

    $47.99
  • HM Digital PH-STOR pH electrode storage solution bottle for maintaining pH meter electrodes.

    HM Digital PH-STOR pH Electrode Storage Solution

    $8.99
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