DescriptionTHESE HAVE BEEN DISCONTINUED – WE HAVE 12 BOTTLES LEFT AS OF 3/19/2025. BOTTLES EXPIRE AUGUST 2025 50 strips each. Testing for: Tests for Total Chlorine, pH and Total Alkalinity.For use with the AquaChek Chlorine Tru-Test Digital Water Analyzer.Features: No visual color matching Accurately tests for Free Chlorine, Bromine, pH, and Total Alkalinity Get results in 15 seconds Eliminates the guess workOne Order = 50 Strips