How much Chlorine in my swimming pool?

In a typical chlorinated in-ground residential swimming pool, what is the right level in ppm to prevent algae and keep my water sanitized and healthy for swimmers? Well, the answer depends on your Stabilizer or CYA level mainly. Free Chlorine should be 7.5% of CYA, but your CYA should be 30-50ppm for pools with limited…

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