I am getting it on Sunday and there is no way I can buy or build a sump for it before then. So, it is going to run without it. On my 29 I have a nice skimmer and about 30 lbs of live rock with 2 power heads. On the 55 gallon, I can use my same skimmer, and I will add it some more live rock over the next couple of months. I can't buy all the LR right now because I first have to buy new lights. So what other kind of filtration, if any, do I need for now. She said she has 2 emperor filters on it right now. Don't know if those are worth a flip or not. Also what else do I need to add for water movement? Thanks guys! I really appreciate all the help you have given me! Couldn't do it without you! :D