I built my sump out of a 20 gallon long aquarium ($25 @ petsmart), picked up 3 plexiglass sheets from Lowes ($2 each), and 2 tubes of Aquarium silicone from Petsmart ($5 each).
I have mine setup with a skimmer compartment, 2 baffles, refugium, 1 baffle, and then the return side.
I will try to...