Thanks for all the replies. I did remove the Saran wrap from the screen lid and inserted the Hygrometer to see what's up. Surprisingly, the humidity is up to about 78 when the AC is not running, and drops down to about 72-75 when it's on. I haven't needed to mist yet today, so if I can keep those levels with a once a day misting, that would be nice, lol. It may get more difficult once more of the moss dries out though, I'll have to wait and see. I'll probably also move the hygrometer around a bit, try placing it a little higher in the tank to see if there are any drastic changes closer to the lid.