All right y'all... I have tried everything I know, and I have finally gotten my temps under control, but the humidity is a crazy animal on its own to control.

Things I have in the terrarium:

Styrofoam background that came with the Exo-Terra terrarium
Zoo-Med Cork Board
2 pieces of grape wood
Coconut substrate
plenty of moss throughout the terrarium
2 small water dishes with the dechlorinated water
4 Fake plants for hiding spots

One half of the screen top is covered with plastic wrap and one quarter of the screen top is covered with a wet towel. This in the hopes the humidity would stay steady for longer.

As of right now, I mist the terrarium before I go to bed and it jumps up top 90%, as expected, but by the time I am up in the morning it is down to 20%.

Same thing during the day. The first few days I got them I was off so I could spray often, but during the day today I sprayed before I left for work and came back and it was down to 25%. I am not sure where the humidity is escaping through...

Any suggestions? I want to get the humidity level situated. I know 90% is to high for them and 20% is way to low. How are you achieving a happy medium throughout the day?