Quote Originally Posted by Neal View Post
I wouldn't keep raising it, especially if you don't know which is reading wrong. Also the other cheaper thermostats, if they fail they get blasted wide open so it can and will kill your snakes. I've seen it happen to other people. For now I would get one of the thermometer guns from amazon for under $10. They're pretty accurate.
Don't you want a heat gun for a UTH as the digital thermometer will read air temperature and not surface temps?