What Is Free Chlorine In Your Pool. They use copper and silver to kill germs and prevent bacteria. Lastly, free chlorine (fcl) refers to the amount of chlorine in your pool, which hasn’t yet mixed into the chlorinated water to sanitize any harmful bacteria or microorganisms that can grow in a pool.
This is pure chlorine that is available to disinfect the pool. It’s very important to make sure you have enough free chlorine in your swimming pool. Uv rays, as scientists say, can reduce chlorine up to 50% in one hour.
It’s an actual measurement of the amount of chlorine in your backyard pool that is still available to act as a sanitizer.
You should keep the free available chlorine level in your pool between 1 and 3 parts per million (ppm). Free chlorine is the chlorine that is available to combine with contaminants in the water to disinfect and sanitize the water. Free chlorine is a measurement of what is called hypochlorous acid and the hypochlorite. Well, here’s the short explanation: