So the VE-300x2 is set up linked to the UTH and the CHE. Current temperatures are:

Air (hot): 88F (by air probe linked to the VE)
Basking: 94F (by IR)
Air (cold) 80F (by air probe)
Ground (cold) ~75F (by IR)

UTH heat set to 89F also linked to the VE

So I feel like my basking temperatures are perhaps a bit high, but that's where the CHE puts them in order to bring the air temperature up to 88. I feel like ground temperature on cold side is still low, but I'm much happier with the air temperature over there at ~80. I'm not sure how one would adjust things in order to cool the basking area without cooling the air as well. Suggestions? Or am I getting close enough where my BP should be able to move himself around between hides in a way that he can find what he needs?

Of note, he IS moving himself right now between cool and warm hides. I usually find him in the cool hide in the AM and much of the day and then moved to the warm side in the evening and at night. I haven't caught him drinking which worries me, I feel like his spine is showing a bit more than I'd like, but I also know it's a tenuous place to be in to have a young snake fasting after a vomiting episode.