HM Digital Waterproof EC/TDS/Temperature Meter chillers-heaters-and-purification Cannabis cultivation operations targeting maximum

Cannabis cultivation operations targeting maximum flower density and dry weight

turning on and off exhaust fans

''DAILY'' bags will now be offered in Gray

Packing: Naked blocks

HM Digital Waterproof EC/TDS/Temperature Meter chillers-heaters-and-purification Cannabis cultivation operations targeting maximumHM Digital COM100 Water Quality Testing Meter. Waterproof. Measure EC TDS. Temperature Tester. IP 67 rating. Factory Calibrated. 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. The COM 100 is a professional level EC TDS meter at an unbeatable price.