The Free Chlorine test strip tests levels of free chlorine in a solution. The bottle has easy to read color blocks at 0, 50, 100, 250, 500, and 1,000 ppm. This test strip is very easy to use, and gives results in just seconds. This test strip is used where higher levels of disinfection are required. The higher range provides a much higher degree of certainty that all organisms are either killed or rendered ineffective. It is ideal for daycares, senior homes, and cruise lines sanitation requirements.

Instructions:
Remove one Free Chlorine 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 immediately compare against the color chart.