I have an old sand filter and I have no idea how old the sand is. It's not filtering all that well in my opinion so I'd like to change the sand and I've read about "Zeosand" and others that filter much better than old school sand. Hence my questions.
After a little research on the web, it seems like there are 3 kinds of sand. Old school sand, Zeosand which is still natural sand but finer and then there is sand that isn't sand at all but glass and they say it filters down to 2 microns.
What kind of sand is available, how well does it filter, who carries it and what would you find folks recommend??????