new user

I want to start an aquarium and I need to cycle the tank. I have heard best practice after cycling the tank is to run the aquarium without the lights on to help keep the bad bacteria at bay. I want to get this started before I move to a new apartment in a couple months… I want the tank to be...

Ok looking for critique from the 2016 apex users. I have limited space in the dry section of the cabinet. The boards are held in place with door magnets so no problem for access. They also form a corner as shown in unlabeled picture. Anyone see any wiring problems? Need more holes? Any advice...