Bestway Flowclear Pool & Spa Test Strips 58142

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:
Free Chlorine
pH
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.