Photo 1 of QNCIGER TDS Meter, Digital Water Testing Kits with 0-9990 PPM Measurement Range,Hand Held Electronic Water Tester for Drinking Water Quality, Tap, Well, Swimming Pool, Aquarium, RO/DI System

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Photo 1 of QNCIGER TDS Meter, Digital Water Testing Kits with 0-9990 PPM Measurement Range,Hand Held Electronic Water Tester for Drinking Water Quality, Tap, Well, Swimming Pool, Aquarium, RO/DI System