You can leave it on for some of the time. Like at night to retain heat. But, it is good to let the sun in to help burn off the CC that are developing while you are fighting the nasties. Plus having it on some will help kill anything that might be on the cover.
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!