Photo 1 of YINMIK Salt Water Pool Monitor, WiFi pH and Salinity Tester for Swimming Pool, Smart Salt Pool Water Monitor 5 in 1, Floating Solar Charged Salt Monitor for Salt Water, Hot Tub, Spa, Jacuzzi, YK-FL05

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Photo 1 of YINMIK Salt Water Pool Monitor, WiFi pH and Salinity Tester for Swimming Pool, Smart Salt Pool Water Monitor 5 in 1, Floating Solar Charged Salt Monitor for Salt Water, Hot Tub, Spa, Jacuzzi, YK-FL05