Original Xiaomi Superb Accurate Mini Exquisite Easy-to-use Water Purity Tester Water Quality TDS Tester, Original - Original Xiaomi Water Tester

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1. Easy-to-use. Just put the test pen into the water you want to test and press the button, then the TDS(total dissolved solids) of water shows on the display. 2. Superb technique, accurate data. Measure water purity accurately, pay close attention to families'health and safety. The lower the TDS the higher purity water has. 3. Extensively application. You can use it to test th...