Tonight, I applied the black vinyl sheet to the back of the 60g. The back pane of the tank is 24" wide and 24" tall, and the piece of vinyl was larger than that. I cleaned the back of the tank with Windex and newspaper since that doesn't leave lint or smudges. Next, a spray bottle was filled up with tap water with a drop of Dawn dish detergent. I sprayed the back of the tank to get the entire surface wet. ...