Photo 1 of 6-in-1 Bluetooth Swimming Pool Water Tester EC/Salinity/pH/ORP/Temperature/Chlorine Meter Wireless Floating Smart Pool Monitor Water Tester for Pools & Swim Spas

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Photo 1 of 6-in-1 Bluetooth Swimming Pool Water Tester EC/Salinity/pH/ORP/Temperature/Chlorine Meter Wireless Floating Smart Pool Monitor Water Tester for Pools & Swim Spas