Swimming Pools & Hot Tubs

OPSREY Bluetooth Pool Monitor, Digital Temp Chlorine, 6 in 1 Smart Pool Water Quality Tester, Pool Thermometer, PH CL EC TDS ORP Temperature for Swimming Pool, Aquarium, Laboratory 【MULTI FUNCTION】Our smart monitor could test PH CL EC TDS ORP and temperature, adopts high sensitive glass probe, the detection is accurate and reliable. 【BLUETOOTH CONNECTION】Accurate real time data transmission allows you to easily save, manage... OPSREY Bluetooth Pool Monitor, Digital Temp Chlorine, 6 in 1 Smart Pool Water Quality Tester, Pool Thermometer, PH CL EC TDS ORP Temperature for Swimming Pool, Aquarium, Laboratory