ive got a 45 gall tall, and im using a stealth 55 watt heater, coralife 125 gal skimmer,marineland c220 canister,2 maxijet 400s with sureflow kits,and a coralife 196 watt pc,also i have 40lbs of ls, and 31# of live rock to get me started. i hope this helps i really like all my equipment and...