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-Super aerodynamic design
100% blackout material
Large LCD - Enhanced LCD that displays reading
The Hydro-Pack will stimulate an optimal root development and protection by using organics in your hydro system
Easy blade replacement
HM Digital Waterproof EC/TDS/Temperature Meter Sea Green -Super aerodynamic designHM 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.
