Hydrotools Pool & Spa Test Strips 4 Way
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!
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!