I'm glad to hear the plumbing is easy on those tanks since I don't have experience setting up complex plumbing. I also want this new build to have more orderly electronics and wiring mounted in the dry 1/3 of the cabinet on the right. I have separate top-off, the new Apex with ALD and plan to get DOS x2-3 for 2-part, water change, and maybe carbon dosing. Right now I'm using biopellets in a phosban reactor. Plus all the usual stuff and the pile of transformers to go with them. I was thinking either Velcro'ing the modules on the inside wall with those square conduits along the edges for wire management, or a false wall with wires going through the holes. I want something easy to change up and mess with since I'm sure I'll change my mind as I go along. Any suggestions? Also I'm planning eventually to have a pass through to the garage (which is right on the other side of the wall) for an RO/DI container, salt mixing container, and probably have the DOS pumps and DDR out there. I'll definitely need help with the going through the wall part. Wondering if maybe I should at least put in the pass through between the old tank breakdown move and the new tank build. How do people do it to keep insulation?