So, I am upgrading my 475 main tank to a ~800G monster. Underneath will be 2 additional tanks that will house additional fish. Keeps them all in the same footprint. There will be 2 overhead sumps along with an Ultima II running the monster. The bottom 2 tanks will have internal filtration due to space/height clearances. Lastly, they all will be on a drip system. Tonight, I took my leftover wood from my 475 build and begin the 1st of the bottom tanks, dimensions of 60x24x16. This will house the UJ bichirs during the move. Their new tank will be 60x30x16 to get more volume and space. Not much photos to show other than the mock up. Getting glue and screws tomorrow to begin assembly! This will be an ongoing thread for close to a year. Look forward to sharing this build with you all.