Join Date: Apr 2003
Location: Indianapolis, IN
Well, you could......
Theoretically the sump could be any size you wanted it to be. You could make a sump out of a big rubbermaid container or another aquarium. It would add stability to the system but if you had the money to build and make all of that you may as well but a larger aquarium.
Disclaimer: Any errors in spelling, tact, or fact are transmission errors.