Bestway 3-in-1 Pool And Lay-z-Spa Test Strips

Ideal for all Bestway Above Ground PoolsThe 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 stripsSafety Information:Warning. Not suitable for Children under 3 years.