HM Digital COM-100 Waterproof EC/TDS/Temp Combo Meter growing-accessories Head and Fitting Material: Pumps

Head and Fitting Material: Pumps Resin

If space is limited

(Propagation Pots sold separately)

soil booster & plant tea

HM Digital COM-100 Waterproof EC/TDS/Temp Combo Meter growing-accessories Head and Fitting Material: PumpsIdeal 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. The COM 100 is a professional level EC TDS meter at an unbeatable price. Measures electrical conductivity (EC), total dissolved solids (TDS), salinity and temperature. UPGRADED: Four scales: S, mS, ppm, ppt