Got the main part done for the overflow, just now to seal it on the top part, wait til you see the plumbing underneath I'm working on
Will contain a 20g long and 10g stacked on top of it! It's gonna be a treat!
The overflow isn't quite done yet, i still need to drill a hole in the top of the cap seal it and install a air valve and tubing, as you can see the older one has the gang valve that's old skool, the air valve will control the level of water in the overflow