SUITABLE FOR ANY TYPE OF TDS OR EC TESTING - Check the TDS or EC of your aquarium, pool, or any water source. You can determine the effectiveness of your RO, DI, or distillation unit, check the nutrient levels of your hydroponic setup, and more.
MEASUREMENT RANGE: From 0-999 ppm, with a resolution of 1 ppm. From 1, 000 to 9, 9990, the resolution is 10 ppm, indicated by blinking x 10 symbol. It works at 0 - 60 Deg. C


Water Tester TDS Meter Digital Water Tester, PPM Water Quality Tester Measuring Range 0-9999ppm, Ideal for Drinking Water, Swimming Pool, Aquariums, Hydroponics (Grey)