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UV is responsible for increased terpene content
Controls air conditioner or exhaust fan
phosphate and calcium
Bright White Surface
HM Digital Waterproof EC/TDS/Temperature Meter micro-nutrients UV is responsible for increasedHM 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.
US$ 144.50
US$ 119.99
