Quote Originally Posted by M3chan1ca1 View Post
Would an UTH or flexwatt work to heat the surface substrate to an acceptable temprature as well as keeping humidity high enough?
And how would i determine that?

I think the CHE are destroying humidity.
Yes and yes. Get ride of CHE. I'd use less substrate, then put the thermostat probe directly on the UTH or flexwatt. Not inside the tank. Try setting the thermostat for 95 at first (the temp will be a little lower in the tank.)