I use 2 XP3 canisters in mines. My old stock was 10" oscar, jaguar, convict, texas, firemouth, blue acara and a pleco. Bioload was heavy so I did 50% wc every week. Go with canisters, I would go with a couple Eheims if money comes easy or 1 Eheim 2260 and a Emperor 400 should do it.