Many municipalities add some form of chlorine to disinfect the drinking water they distribute. The USEPA has ruled that municipalities may not distribute water containing greater than 4.0 ppm (parts per million) free or total chlorine. For information on the difference between free and total chlorine please visit this page on our site.
For those looking to find fast, easy ways to test free chlorine levels, total chlorine levels, and/or both, the following test strip kits will come in handy!