• Dual In-Line TDS Meter w/T-Fittings

    Dual In-Line TDS Meter w/T-Fittings

    Displays TDS levels of the feed water and product water with in and out electrode probes.…
    $51.92
  • Hand Held TDS Meter w/Vinyl Case

    Hand Held TDS Meter w/Vinyl Case

    Ideal for commercial use or for those with multiple systems. Includes a carrying case with belt clip.…
    $32.95
  • HM Digital TDS and EC Calibration Solutions

    HM Digital TDS and EC Calibration Solutions

    For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.…
    $9.79
  • HM Digital Water Resistant COM-80 EC/TDS Hydrotester

    HM Digital Water Resistant COM-80 EC/TDS Hydrotester

    he COM-80 is easily the most advanced economically priced, reliable EC/TDS meter on the market. With its versatility and durability, it is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.…
    $79.70
  • Single In-Line TDS Meter w/T-Fitting

    Single In-Line TDS Meter w/T-Fitting

    Displays TDS level of a single water line. Ideal for any water filtration system, including reverse osmosis systems, coolers and much more.…
    $45.73
  • Triple In-line TDS Monitor w/T-Fittings

    Triple In-line TDS Monitor w/T-Fittings

    Three sensor TDS monitor that is ideal for checking TDS levels at 3 points, such as with DI/RO (deionization / reverse osmosis), or multiple points in an RO system, and more.…
    $72.69
  • Waterproof EC / TDS / Temperature Combo Meter

    Waterproof EC / TDS / Temperature Combo Meter

    The only handheld TDS meter / EC meter with full scale digital calibration. A water tester that is perfect for both consumer or commercial use. Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more.…
    $115.96
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