So I was originally planning for a 180, but my wife and I are holding off on buying a home due to crippling student loan debt.  That aside, we are moving into a new apartment this weekend, and with a new place comes a new tank.   I haven't had a tank for over a year now, and it has been killing me.  So for the past 5 months I have been planning out a 180 gallon tank.  Luckily, it's easier to downsize planning than upsize.   I am going to pick up a 75 gallon tank and stand this Saturday. But