I don't know if anyone who is or is wanting to build a sump has come across this yet, but i found a link that shows a way to biuld a very cost efficient sump. Enjoy!
www.wetwebmedia.com/ca/volume_3/cav3i1/Baffles/baffles.htm stores.ebay.com/Delvies-Plastics
By the way, here is my 20gal long sump that i made beneath my 80gal bowfront tank.

www.wetwebmedia.com/ca/volume_3/cav3i1/Baffles/baffles.htm stores.ebay.com/Delvies-Plastics
By the way, here is my 20gal long sump that i made beneath my 80gal bowfront tank.
