Indigo brand chlorine test strips from residual to very high level. Ensure your food, restaurant, daycare or hospital sanitization is safe.
Chlorine or more accurately sodium hypochlorite is the cheapest and most popular of the sanitizers. It is most effective against bacteria and disrupts both their cell membranes as well as their biochemical processes. Its effectiveness is compromised by suspended organic matter such as blood and feces.
Simple test strips can measure chlorine but there is a wide range of concentrations used depending on safety requirements.
See Instructions/Safety for how to use our Dilution Calculator.
Iodine is used mainly with glassware in large commercial dishwashers.
Note: All test strips Made in USA & are Q/A'd against NIST standards.
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To make 1 gallon of 200ppm chlorine bleach solution, enter these in the Dilution Calculator.
Result: Amount of bottled chlorine bleach you need to mix with water.
Sodium hypochlorite is the most commonly sold form of chlorine disinfectant & is often simply referred to as bleach. Click here for more information about chlorine disinfectant.
Instructions for chlorine strip use is the same regardless of concentration range.