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 strips
Warning. Not suitable for Children under 3 years.