Well, the first question is, "How have you been treating your pool, in the past?"
'Watermold' is more common in pools with Baquacil, etc than in chlorinated pools.
Ben
PS. If it *is* a chlorinated pool, all you need is chlorine . . . and a good testkit. But I don't want to give you advice, assuming you have a chlorinated pool, and then end up staining the heck out of things because you've been using 'minerals' or else starting a Baquacil conversion without meaning to do so
Bookmarks