Chlorine Test Strips 7 in 1

50 pool test strips for measuring total chlorine, free chlorine, pH, bromine, water hardness, cyanuric acid, and total alkalinity.

Simply remove a strip, close the can tightly again, briefly hold it in water, and after approx. 30 seconds read the color and compare it with the scale on the can or here.

Please note that test strips only give a guideline and cannot be used as an exact measurement method.