Check your Free Chlorine with Confidence using our WaterWorks™ Free Chlorine . Featuring a patented indicator, make sure your Free Chlorine levels are where you want them to be. Contains 50 tests.
- No interference from Chloramines
- No bleach out at very high concentrations
- Simple method and no dilution necessary
- Get results in 32 seconds
- No instrument required
- Safe and non-hazardous
- Uses patented TMB indicator pad U.S. patents # 5491094 # 6541269
Range 0, 0.25, 0.5, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 11, 15, 20, 25 ppm
Made in USA
Ideal for checking your sanitizer level!