Digital LCD TDS Meter Waterfilter Tester for measuring TDS3/TEMP/PPM

This is a digital TDS meter tester, for test the filter water quality purity, check the performance of your water filter, check for hardness (1grain 17ppm), make sure you always drink pure water

100 percent brand new and high quality

This item can be used in water purifiers and filters, food (vegetable, fruits) drink quality monitoring, pools, spa's, aquariums and hydroponics