I had a 6' long 120 gallon tank that was to be used as the sump but it was too long to fit inside the stand. I was thinking about running it outside next to the stand but the space just didn't work out b/c I want to put a prop system next to the display in the future. So I had to cut it down to about 62" long and 95 gallons. Fun weekend project for me. Still need to route out most of the bracing and install some baffles. Other than that, I got the Sequence Dart and 2 1" Sea Swirls so I am ready to start plumbing once the sump is done.