Ok so, I'm getting ready to set everything up for my first ball python. When it comes to the UTH with the tstat and thermometer probes I've seen this done both ways, and I want to know which is best...

Option 1. Placing the probes between the UTH and the tank glass bottom
Option 2. Placing the probes inside the tank on the glass bottom above the UTH

Which is better for reading proper UTH temps? And if the snake is laying on the probes with option 2, would that affect the temp readings?

I want to make sure I do this right before adhering the UTH to the tank