WTB: sump for new cube tank

[Ruth]

Just thought I would put this out there to see if anyone has an old tank or sump kicking around that I might be able to use for my tank that I have on order. The tank is going to be 4' X 4'. I would prefer a cube for volume as I don't want to go really high as I want to make this tank viewable from top down so the stand won't be very high and the tank is 30" deep. I'm not in any rush but will be down in Vancouver over Christmas and am driving down so could pick it up. I don't plan on setting this tank up until probably fall (yeah right Miss Patience) but LMK if you have anything that might siut