The probe is inside his warm hide under the aspen, but firmly pressed onto the 1/2" or so of eco-earth. It's been like this for about 5 weeks now & he seems to be settled in nicely to this temp setup..
I've read where too warm temps can cause brain damage, etc...and I do NOT want to hurt him in any way. So far in the 2 months he's been with us, he's just pretty chill...climbing & slithering around. No burrowing yet..he likes to hang on his branches under either red heat lamp though..