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SenSafe® Free Chlorine Water Check (NCW-481026)

Part No: NCW-481026

This SenSafe® Free Chlorine Water Check test strip is the ONLY EPA APPROVED test strip used for drinking water compliance monitoring [Published in the 2007 Federal Register (vol 72, no 47, Monday, March 12, 2007 p. 11204, ITS method D99-003)]. It combines a wide range of water quality detection with our patented Free Chlorine indicator.


It is designed to resist interference from monochloramines. It is a simple dip and read test and you will have your result within 20 seconds. These strips can be used across industry from testing for Free Chlorine in swimming pools and spas to testing for sanitizer residue in food processing or tap water and other environments.

Our patented aperture strips are unique in the way the water flows through them and detects the Free Chlorine much more accurately. We use trace amounts of chemicals on our strips which makes them extremely safe and non-hazardous. They are considered as Articles under OSHA and do not require SDS sheets.

Temperature Compensation Chart

Chlorine Compliance Monitoring


0.0, 0.05, 0.1, 0.2 0.4, 0.6, 0.8, 1.2, 1.5, 2.0, 2.6, 4.0,>6.0 ppm (mg/L)

Test Quantity

50 tests



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