Aquachek Chlorine 4-in-1 + Shock Pool Test Strips

4-IN-1 CHLORINE TEST STRIPS: Tests the most critical parameters for keeping a clean & balanced pool; Tests for Free Chlorine, pH, Total Alkalinity, & Cyanuric Acid; 50 strips included 2-IN-1 SHOCK TEST STRIPS: Tests the Total Chlorine and Free Chlorine levels & indicates whether you need to shock or super chlorinate the water; 10 strips included AQUACHEK ACCURACY: Using medical industry technology, our test strips offer comparable accuracy to liquid tests; No measuring & counting drops of reagent, leaving less room for error EASY TO USE: Dip the strip, remove it, wait 15 seconds, & compare with the color chart on the bottle; Accurate results in seconds; Test water at least twice a week for safe & balanced water FREE MOBILE APP: Receive a tailored treatment plan when manually inputting your results; Record, track, & monitor your pool’s chemistry with AquaChek Connect