If you are likely to need to backwash in the next week, put the CYA in a sock, and hang the sock in front of a return jet, so it gets caught up in the jet when the pump is running. Then you don't need to worry about backwashing.
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!