Your pool needs to ALWAYS have above the minimum FC level for your CYA. Whatever that CYA level is. Even if it's zero, you need some chlorine in the water. Chart
Hello , This thread has been inactive for over 60 days. New postings here are unlikely to be seen or responded to by other members. For better visibility, consider Starting A New Thread.
Welcome to TFP! For a wealth of pool care information please check out our free Pool School. If you are in need of specific help then we encourage you to Register and ask us here in the forum!