Aluminum Fishing Boat What Materials Would I Need To Add A Live Well To A 12' Aluminum Fishing Boat?

What materials would I need to add a live well to a 12' aluminum fishing boat? - aluminum fishing boat

I added wooden fishing platforms on the front and back with a drive motor on the front with an outboard motor on the back. This gives me a lot of space. What size should be for us to fish more tournaments under? FYI, the boat 12 'Meyers