I have a Accurite thermomater/humidity checker-
and a CHE on the warm side, with a nightblue light on the cool side (just for night time viewing and a slight increase in temp)

Everything ive read assumes belly temp will be higher then ambient (because most people heat with an undertank heater)

However, my belly temps (taken with accurite probe placed under substrate) are much lower then my ambient temps.

So basically- without a undertank heater should i worry about belly temps? or just worry about Low ambient (taken with base of accurite)

To get my belly temps up my ambient would be like 108 degrees because the aspen insulates the bottom from these temps/