Description This test strip measures levels of free chlorine in a solution, in steps of 0, 50,100, 250, 500 and 1,000ppm, giving results in just seconds. Remove one test strip from the vial, being careful not to touch the test pad with your fingers. Dip the test strip into the solution being tested for 1-2 seconds. Remove and compare against the colour chart within 15 seconds.
