Description This test strip detects Chlorine dioxide levels in increments of 0.25, 0.5, 1, 3, 5, and 10ppm. The colour chart ranges from a light to dark pink. Using a cup-size sample, immerse the test strip for 2 seconds. Remove strip with the pad face up. Do not shake off excess water. Compare the test strip to the colour chart immediately. Discard test strip after 30 seconds.
