Have had 75g set up for about 8 months. Have had trouble along the way, lost some fish, but getting on track now. I have long green algea I'm trying to get under control, but water has been testing very good, fish are healthy. I have a puffer, foxface, blenny, 2 clowns, 3 carpet anemones and a wrasse who all get along. I'm looking into food ideas(freezing homemade pastes) and just started using purple up a week ago. I have some q's..How often should I clean my canister filter and do partial water changes? When should I look into getting corals?(already running a skimmer) I do realize I have got to get rid of puffer and wrasse. I'm entertaining the thought of another tank??..maybe. Suggestions and guidance would help on these q's or anything else anyone thinks I should do!!oh: