Yewhick Digital Salinity Tester for Saltwater, Waterproof Pool Salt Tester, 4 in 1 Salt/EC/TDS/Temp Meter, High Accuracy Saltwater Tester with ATC for Saltwater Pool, Aquarium, Koi Fish Pond

The Salinity Tester is a must-have tool for anyone who wants to ensure their saltwater pool or spa water quality is just right! With its 4-in-1 functionality, this tester can measure salinity (ppm/ppt/%), EC (us/cm), and TDS (ppm) in just seconds.

The large LCD display makes it easy to read the results, even in low light conditions.

Plus, the automatic shutdown feature saves battery power after 5 minutes of non-use.

Don't let your pool or spa water quality suffer - get the Salinity Tester today!