Bestway - 58142 Chlorine Ph Test Strips

Ideal for all Bestway Above Ground Pools The ideal solution for basic pool and spa water testing... 3-in-1 Test Strip-Free Chlorine-pH-Total Alkalinity. Easy color match system. Measures Free Chlorine 0 to 10 ppm, Alkalinity 0 to 240 ppm and pH 6.2 to 8.4 with instant results. Contains 50 test strips.