Bluetooth 5 in 1 TDS EC Salinity SG Temp PH Meter Backlight Hydroponics Aquarium Pool Accessories Water Tester Water Detector

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Tuya Bluetooth 5 in 1 BT Water Tester TDS EC Salinity SG Temp PH Meter Digital Aquarium Pool Accessories Supported Languages

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Bluetooth Smart 5 in 1 Multifunctional pH TDS EC Salinity SG Temp Meter Pen Hydroponics Aquarium Water Quality Purity Detector

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Bluetooth App PH Meter 6 in 1 Water Quality Tester Pen PH EC TDS Salinity SG Temp for Drinking Water Aquariums Hydroponics Pool

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For 8 Quality Water In Salinity/ph/tds/ec/orp/sg/h2/temp Aquarium Monitor Digital 1 Tester Swimming Pools Pen Water Drinking