Some other shots from around the fish room. Here's the back of the tank. Major changes here are that I've had to replace all the MH ballasts (blue ballasts mounted top right) and I've redone all the electrical (went away from the home made switches and now just run Apex power strips).
Also, much like the LED light fixture I built for the mangroves, the LEDs I used to illuminate the tank on the aluminum light rack started to fail. In lieu of trying to fix it, I decided to just run a simple LED light strip to replace it (Truelumen Pro LED 48" strip light). I might add another one down the line, but this was a much more straight forward and plug-and-play solution for running lights when the MH aren't on.