SenSafe® Free Chlorine water quality test strips combine a wide range of detection with our patented Free Chlorine indicator. SenSafe® Free Chlorine is the ideal product when testing water quality in a food processing environment. With 2 methods of detection, the SenSafe® Free Chlorine testing strips are perfect for determining whether or not you have the correct amount of sanitizer present. All of the reagents are impregnated on the test strip pad, and no external chemicals are needed. The unique, patented, SenSafe® strip allows for low level detection without sacrificing accuracy.