TDS Meter Digital Tester Water Quality Testing Kits for Drinking Water 0-9990ppm
Multi-Purpose Tds Tester: Tests the purity of drinking water to ensure it is safe and healthy, monitors whether reverse osmosis (RO)/deionization (DI) systems are working properly and need to change filters, maintains aquariums, hydroponics (tests nutrients), wells, swimming pools, hot tubs, spas and tests tap water, bottled water, and more.