UTH too hot?

[Spaniard]

I have my probe inside the warm hide, on top of the substrate to make sure that she is getting enough heat. If I were to put it under the substrate, and adjust temps to 90 - 94, wouldn't the surface where the bp is be too cold since there is an inch of substrate? Please, let me know if I am doing this wrong and need to make changes. What is the benefit of putting the probe under the substrate.

Benefit of putting your probe under the substrate would be to monitor how hot you're actual UTH is getting. A UTH running at lets say 98 degrees under the substrate would give you 92 degress above the substrate, just as an example. Its a matter of preference. I personally monitor the temp of my flexwatt while checking surface temps in the enclosure with a temp gun. I then have an accurite that I move around my rack to get a read on ambient air temps.

Just another way to to do the same thing.

Edit: Raul brings up a good point with burrowing snakes.