I have high CYA (~95). The Pool Math app says to get my chlorine to between 7 - 12. Is that a safe level for swimmers? Also - I like the way pool math takes my chemistry and tells me what to do, but is there an ideal chemistry (FC, CC, TA, pH)?
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That level of FC is very safe at that CYA. Did you get that CYA level by doing the dilute method?
I suggest you read ABC's of Pool Water Chemistry.
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