Yeah, gotta cover that screen up. Here's what I had to do to combat my humidity woes with my glass tank....


There is tape on both sides so there isn't a sticky side. Also, a little foliage will help if you don't already have some. A fake plant or vine will give moisture someplace to cling to and help the humidity last a little longer. There's also a humidifier in the DIY that many of us use.