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    • HM Digital Meters

    • EC/TDS/Temp Waterproof Hydro Tester
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      EC/TDS/Temp Waterproof Hydro Tester

      The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking...

      MSRP: $42.95
      $38.69
      Add to Cart
    • PH/Temperature Meter
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      PH/Temperature Meter

      The PH-80 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and...

      $57.99
      Add to Cart
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