Thanks for all insight. The coconut substrate has made a HUGE improvement on the humidity - of course, ironically, I'm now seeing that the form of substrate I bought has the highest concern for substrate ingestion during feeding. So I'll probably order Reptichips when I start running low on the Eco Earth stuff. I actually ordered all of my "stuff" a few weeks ahead of time to try to give me as much ttime to let things equalize as I could. But there were a few hiccups. Ordered everything on December 1st. It didn't get here until the 15th. Got things set up that weekend, and Jasper arrived 2 days later on the 19th. I had to keep him hidden in my closet to keep my son from finding him, so his terrarium got moved after I thought things were settled - my son's room is colder than my closet. Now, things are a whole lot colder than they were a few weeks ago, meaning more heat use is pushing down humidity.
At any rate, I have my thermostat taped directly to my heat tape on the bottom of the terrarium (I have a piece of foam insulation foil side up on the bottom, with an indention for it). The hot side probe is just underneath the substrate on top of the UTH and below the heat lamp. Cold side is attached to the wall, as I bought the wrong thermostat for that. I have inferred that that temp is lower than a surface temp.








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