Recommended chlorine and pH for pools and spas: 1.2 to 1.7ppm and 7.2 to 7.8ph 2 in 1 function: This water tester can measure 2 important parameters: ph, cl2 chlorine Simple Operation: Simple to operate, no chemicals required, easy to maintain. Large screen displays test results for pH and chlorine levels for accurate reading and recording Application: Digital water tester for measuring chlorine and ph, widely used in drinking water, swimming pools, spas, fish tanks, aquariums NOTE: If the pool water is not properly balanced, then the chlorine sanitizer will not work, it can affect the skin and eyes Chlorine Test - Adjustment Points: Before the next use, adjust the tester for the swimming pool or hot spring water to be tested in the following order: 1. Use traditional liquid testing tools to test swimming pool water or hot spring water; 2. Record the chlorine reading for backup (1.5PPM); 3. No adjustment to pH is required. Find the adjustment point of the tester: A. Place an AA 1.5 V
