Camshaft Ramrod;3670811; said:40-50ish and up. Everything below, I'd stick with HOB's and cans. But that's just me.
I might use a canister up to 150 or so depending on the fish (certainly no beasts, but perhaps Africans). Just too easy to throw a prefilter bag in a sump and clean it every day.
408smokin: I'd LOVE to see a bigger version of your avatat. Your fish?
).
(but seriously... i did)