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Heavy Metal Reduction: Reduces mercury
• Instructions and lighting recommendations included
and the washable
• Cool operation allows closer placement to plants
Clear housing
HM Digital Waterproof EC/TDS/Temperature Meter flowering nutrients Heavy Metal Reduction: Reduces mercuryHM 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.
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