I purchased a hayward c900 cart filter and it should be here in 1-2 days. Hopefully we won't have any trouble installing it. Seems like a fair match up for my 50-60 gpm pump. I am still going to keep my sand filter as a back up in case of a dirty pool emergency. If I can figure out some where to hide it nearby.

Do you just store them with the sand in it? If it doesn't have any algae in it when I store it, nothing funky should grow in there, right?