Photo 1 of PH Tester Digital,Pool Salt Tester,Water Quality Testing Device,5 in 1 PH Meter for Water/Salinity Meter/tds/ec/Thermometer,Suitable for Drinking Water Saltwater Swimming Pools Hot Tubs Aquariums

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Photo 1 of PH Tester Digital,Pool Salt Tester,Water Quality Testing Device,5 in 1 PH Meter for Water/Salinity Meter/tds/ec/Thermometer,Suitable for Drinking Water Saltwater Swimming Pools Hot Tubs AquariumsPhoto 2 of PH Tester Digital,Pool Salt Tester,Water Quality Testing Device,5 in 1 PH Meter for Water/Salinity Meter/tds/ec/Thermometer,Suitable for Drinking Water Saltwater Swimming Pools Hot Tubs Aquariums