Available Chlorine Test Strips Color Chart: 25-50-100
These Indigo™ 300ppm free (available) chlorine test strips are easy to use & an essential tool for anyone in the food processing business. Get accurate results in just 5-10 seconds. Confused about how to dilute? Use our free Chlorine bleach dilution calculator to take out the guesswork. Indigo™ brand chlorine test strips are Made in USA & tested for accuracy using NIST compliant standards.
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