HM Digital

HM Digital

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  1. HM Digital TDS-3 & Temp Meter with Case

    HM Digital TDS-3 & Temp Meter with Case

    $22.20

    Ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket or toolbox at all times! Learn More
  2. HM Digital EC-3 Handheld EC & Temp Meter with Case

    HM Digital EC-3 Handheld EC & Temp Meter with Case

    $22.20

    Ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket or toolbox at all times! Learn More
  3. HM Digital TDS-4 Pocket Sized TDS Meter

    HM Digital TDS-4 Pocket Sized TDS Meter

    $21.20

    Ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket or toolbox at all times! Learn More
  4. HM Digital TDS-4TM Pocket Sized TDS & Temp Meter

    HM Digital TDS-4TM Pocket Sized TDS & Temp Meter

    $22.50

    A TDS tester that's ideal for all water purification applications, drinking water testing, pools & spas, fresh water aquariums, hydroponics, and colloidal silver. Excellent for both personal or commercial use. Learn More
  5. HM Digital TDS-EZ Water Quality Tester

    HM Digital TDS-EZ Water Quality Tester

    $15.79

    Ideal for all basic water testing applications. The best value meter in the world! Learn More
  6. HM Digital COM-80 EC/TDS/Temp Water Resistant HydroTester

    HM Digital COM-80 EC/TDS/Temp Water Resistant HydroTester

    $39.95

    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 water and more. Learn More
  7. HM Digital PH-80 pH/Temp Water Resistant HydroTester

    HM Digital PH-80 pH/Temp Water Resistant HydroTester

    $49.95

    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 more. Learn More
  8. HM Digital TM-1 Digital Thermometer

    HM Digital TM-1 Digital Thermometer

    $29.95

    For use in: All hot and cold fluids and/or solids Aquariums Kitchens and bakeries Hydroponics and aquaculture Freezers/coolers and heating systems Motors, generators and ventilations systems Academic, scientific and medical laboratories. Learn More
  9. HM Digital QC-1 Quick Check Monitor

    HM Digital QC-1 Quick Check Monitor

    $20.30

    Press the "Push-to-Check" button for an instant water quality check! Learn More
  10. HM Digital SM-1 In-Line Single TDS Monitor with 1/4" fittings

    HM Digital SM-1 In-Line Single TDS Monitor with 1/4" fittings

    $24.50

    Ideal for any water filtration system, including reverse osmosis systems, coolers and much more. Learn More

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