I've got a 29 gallon that I was going to use as a sump that is 1/2" too big to fit in the bottom of the new stand I made. If you've got a 10 gallon, I'd trade you, otherwise I'd take 10 bucks for it so I can go get me a 10 gallon. :P It's the standard 29 gallon, glass, black plastic trim, and it has a dark blue painted background that can easily be removed (yay for acrylic hobby paint) if needed.