@ Carlos - The glass is about the same temperature as the rests of the sides. And yes, I would have to unfortunately turn the tank on the side to drill, which is something I don't think I want to consider after all! I may try to see how the inside fairs if this doesn't get resolved soon. The probe is usually pretty soaked after mistings, so I'm assuming that's throwing readings off.

@ Lynn - Thank you, it was a nightmare removing the black aquarium trim, though . The only reason I had 3 mist heads installed was because the back panel of ecoweb + moss wasn't getting enough moisture, and thus drying up any moss growth. Crazy to think that those couldn't keep the humidity high enough! I live in California, within Silicon Valley. Around here it's normally a consistent 75 degrees outside, and around the same inside. The winters don't dip that low either, up until this last winter which had it's sporadic cold streaks. I keep all my other reptiles in here without any heat source with no issues. I ordered some cheap glass thermometers, so hopefully that gives me correct readings!

@ Bill - I guess I refused to believe that two of the digital readers were bad, and assumed it was just my tank. The glass always has condensation on it and the plants, even though a few have started to fade, seem to be flourishing. I just didn't want to take a chance and put any frog in there when the conditions could life threatening for them.

@ Paul - Yes, a lot of good suggestions from everybody! I'm going to let the digital reader sit out a few days and see if that helps any. I'm still thinking about at least raising the LED lighting higher, since some of the moss up top seem to be fading away.

I'm also going to try using some old computer fans to circulate the air a bit and see if that helps any. Fingers crossed at this point!