The K-2006 Pool Water Testing Kit from Taylor measures six individual components and comes complete with everything you'll need to test pool and spa water.

For use with pool and spa applications
Tests for total alkalinity, free and combined chlorine, cyanuric acid, calcium hardness, and pH
Includes case, water guide booklet, and circular watergram
Accurate treatment doses
Uses FAS-DPD Titration method to test for free and combined chlorine
Measures free chlorine (FC) levels as high as 50 ppm
Size: .75 oz. bottles

Taylor Technologies - K-2006 Complete Pool Water Test Kit