I second the sterilite warning. I had one split and leak, luckily where it wouldn't do any damage. I would consider a standard glass tank as a
sump before I would use something not really designed to hold water.
Please also keep in mind that it is going to be impossible to make the tank silent. You WILL hear the overflow,
skimmer, pumps, etc. to some extent. Because this is in your bedroom it may be a problem if you aren't prepared for it.
