Reef set up-need help with sump set up

[DisneyCoralReef]

Originally Posted by sphelps

I would personally paint the back glass black, those backdrops don't usually work that well IME.

I had originally been advised to paint it, but because of where we live, painting wouldn't be an option(live in a condo). I don't have a place where I can paint it, and once painted if got around to finding a place, I can't leave it there to dry-not to mention this ridiculous whether hasn't helped.