The HydroTools 4 test strip provides very reliable results in just an instant! Simply dip the strip in a pool or spa for 2 seconds and the results are ready. Hydro Tools 4 test strips measure Free Chlorine, Alkalinity, pH, and Cyanuric Acid(stabilizer) - all in one strip! 

Features:

Includes fifty (50) each test strips

Use with pool water or pool water

Test free chlorine, pH, alkalinity and cyanuric acid levels

Simply dip and read!

This listing is for one Hydro Tools 50ct Test Strips!