Yewhick Floating Pool Salt Tester & Thermometer, Digital Salinity Meter for Saltwater Pools, Hot Tubs, Spas, and Ponds, Accurate Temperature & Salt Level Monitor

2-in-1 Accurate Monitoring: Combines salinity and temperature testing for real-time monitoring of swimming pools, hot tubs, spas, and ponds. Ensures balanced water quality for a healthier environment.Solar Powered and Eco-Friendly:...