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5 in 1 PH Meter for Water One Click Calibration Digital Water Quality Tester EC/TDS/PH/Temperature/Humidity Meter with 1pcs PH and 2pcs TDS Sensor Storage Box for Drinking Water Pool Aquarium

7 in 1 PH/TDS/EC/ORP/S.G/Salinity/Temperature Multi-Parameter Pocket Water Quality Tester with Electrode Replaceable C-600 PH Meter for Pools Drinking Water Aquariums

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Tuya WiFi 7in1 Water Quality Tester Multi-Parameter Water Analyzer PH/ORP/EC/PPM/CF/Humidity/Temperature Monitoring Meter

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