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Pool Water Quality Detector 6 in 1 Temp Chlorine ORP EC TDS PH Meter Blue Tooth Online Monitor Water Quality Tester Smart Tool for Swimming Pool Aquar cold Built-in air channels on the6 in 1 Meter with Bluetooth Powered by the mobile App, professional measurement of pH, ORP, Chlorine, EC, TDS, and Temp. suitable for household drinking water, hydroponics, lab, aquarium. Why you'll like it Cloud Based Data Management System Precision real time Bluetooth data transmission, the measurement value is clear. allows you to save, manage, and share your test data at your fingertips, and never have to worry about data loss. Comprehensive