1) Quick test of water pH and Cl2 levels 

2) Chlorine calibration for more accurate testing 

3) No adjustment needed for pH testing 

4) Simple and easy to operate 

5) Get results instantly 

6) Light weight and handy 

7) No chemical testing and solutions needed 

8) Recommended chlorine level for pools and spa is 1.2 to 1.7ppm 

9) Recommended pH level for pools and spa is 7.2 to 7.8