PC102 Swimming Pool Water Quality Tester 1. You need to prepare a 1.5 ppm chlorine solution, the purpose of inspecting your swimming pool water 2. If you are at a chlorine level of 1.5 ppm or not (you don't know if it is or can't find the calibration point), please use the traditional test strip 3. Once your calibration is satisfactory, you don't need to recalibrate unless you change the measuring pool to use different pool water. A brief description: The risepro tester design is suitable for swimming pools or SPA family ratios (excluding salt lake water pools, industrial or scientific use). After the first successful calibration, you can test the chlorine and acid-base levels of your swimming pool water. pool in a quick and easy way. Therefore, there is no need for traditional complicated and messy liquid chlorine and acid-base combinations! With this handy tester, you can quickly test if your chlorine and pH are within the ideal range of 7.8: chlorine 1.2-1.7 ppm and pH 7.2 lied. If