Flowclear Test Strips Pool & Spa 9.5x4.2x16cm

Ensure your pool and spa has the right levels of chemicals in them with the Flowclear Pool and Spa Test Strips by Bestway. These 3-in-1 Test Strips test the following: (a) Free Chlorine; (b) pH; (c) Total Alkalinity. With an easy color-match system, you will instantly know what chemicals are in need of adjusting. The strips measure free chlorine from 0 to 10 ppm, alkalinity from 0 to 240 ppm and pH from 6.2 to 8.4 with instant results. The bottle contains 50 test strips and has an 18 month shelf life.