Chlorine Test Strips For Drinking Water
The Center for Disease Control and Prevention defines the safe zone for drinking water as a chlorine residual level of 0.2-2.0 parts per million (ppm).Normal drinking water is treated at around 1 ppm. Chlorine residual levels above this range leave an unsavory taste and odor in the treated water, and too little residual chlorine will not effectively disinfect the water.
Place the chlorine test strip into a glass of water for a few seconds. The top white pad on your insta-strip is for chlorine levels. Remove the strip from the water, and compare the color of the strip to the chlorine test kit indicator guide. Test strip shows free chlorine in the range 0 to 10. Levels 1 to 2 (very lightest purple) on your insta-test strip are suitable for disinfection levels in drinking water. If the chlorine indicates more than 2 parts per million, dilute with more water.
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