ok, here's my current setup on my new 55g. as far as filtration goes... CPR BakPak skimmer(HoB), Ehiem canister filter, maxi-jet1200 PH, also have about 10lbs. of LR.
i eventually will have about 50-75 lbs of LR, and want a sump, mainly to put a skimmer, heater, etc. into it and out of the main...