![Aquachek Yellow Chlorine Test Strips Aquachek Yellow Chlorine Test Strips](https://cdn11.bigcommerce.com/s-whbac/images/stencil/300x300/products/577/5854/IMG-8015-PhotoRoom__44976.1709147742.png?c=2)
AquaChek Chlorine 4-in-1 + Shock combines the most essential water qaulity with an easy-to-use-shock test providing advanced protetion against costly cloudy water and algae events.
Tests for 4 important water quality tests plus shock, quickly: Free Chlorine, pH, Total Alkalinity and Cyanuric Acid. Easy to use, easy to grip bottle with flip-top dispenser cap. Eash blister pack kit includes 50 chlorine 4-in-1 test strips and 10 shock test strips.