What Is Free Chlorine In Pools. Free chlorine is the unused chlorine that’s still free, active, and available to sanitize your water. Once the free chlorine does combine, it will begin to kill and neutralize the water's contaminants.
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They should be roughly the same or very close in order to get the proper sanitising and when the total chlorine is much higher than the free chlorine. Free chlorine is the chlorine that is available to combine with contaminants in the water to disinfect and sanitize the water. Free chlorine is unused and available, like invisible magic dust floating around, just waiting to sanitize your swimming pool water.
Free chlorine is the most important type of chlorine to monitor because it is responsible for actively sanitizing your pool.
Hydrogen peroxide requires a relatively high dosage when compared to chlorine. This is the value you actually test for. It’s the most crucial kind of chlorine to monitor, just because free chlorine protects you from these microscopic dangers. The free chlorine is either added manually, by an automatic dispenser or by way of salt water chlorination.
