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Posted by E-Z Test Pool Supplies
Free chlorine is the most important number to monitor in your swimming pool water. You want it between 1.0-3.0 ppm. Free chlorine keeps the water clean and safe from harmful bacteria.
Question: Should I be swimming in a pool with a free chlorine reading of less than 1.0?
Test strips are an easy and convenient tool to make sure your free chlorine is between 1.0-3.0.