Description
This test strip provides an easy way to accurately measure free chlorine in increments of 0, 25, 50, 100,and 200ppm. Produces a distinct colour change over the entire range from blue to brown to orange.
- Immerse the test strip in the sample and remove immediately.
- Hold strip level (do not shake off excess sample).
- Compare to the colour chart between 5 and 10 seconds after removing the strip from the sample.