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data-hold function and low-battery indicator
Ideal for reefkeepers and labs needing up to 100 Gallons of ultrapure Zero TDS RODI water a month
then plug in the pump
This is a steel filter bracket ( heavy duty) Powered coated white
✔ PRESSURE GAUGE Easily identify prefilter line pressure drops
COM-100 EC / TDS / Temp Meter Combo KIT data-hold function and low-battery indicatorCOM 100 EC TDS Temp Meter Combo This HM digital meter measures electrical conductivity (EC), total dissolved solids (TDS), and temperature. UPGRADED!! (See below) Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidl silver, labs and scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. The COM 100 is a professional level EC TDS
