Can I get away without using a protien skimmer if I have a really, really good canister filters? I'm thinking of settup up a 55 gal, fowlr and I got a Fluval 405 (up to 180 gal) already and now today I was given an Eheim Professionel 3 (up to 300 gal) as a gift, and kind of have to use it not to...