Clorine test strips measure the level of free chlorine in a solution. The increments on the test strip are 0, 25, 50, 200, 500, 800, 1500, 2000ppm. The colour chart has obvious colour changes from blue to brown to orange. The test strip is very easy to use, and gives results in just seconds.
Buy 10 packs of Chlorine test strips and save 10%.
- Dip the active chlorine test strip into solution for 1 second
- Remove strip and shake off excess water
- After 1 minute, compare pad against colour chart