Looks like BJ got the majority of it covered for you, so I'll toss in a single side note, when you get the fuge up and ready to roll, just holler around for Chaeto don't pay any online or LFS for it, at any given time there are dozens of folks trying to get rid of some. A small ziplock bag will get you a good start, and in a few months you'll be looking for folks to take some of it off your hands..