Hi and Welcome!! Do you mean on the equipment pad? What is the pad made of? I am thinking it is like everything else here in FL..........damp+humidity+shady=algae. I have some ideas how to clean it but need to know the answers to the what it is so we can move on cleaning it up.
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!