Quote Originally Posted by tcutting View Post
IMO, you need to raise that ambient temp up. just my 2 pennies.
this is likely your solution. however, more information is needed before anyone could give an accurate answer. where exactly have you placed your probe and how have you wired the shelves to connect with the herpstat?

not to reiterate information that you already know, but an accurate temp gun should be part of your set-up. reptile basics sells a few models, all of which are reliable, and their shipping and customer service are among the best.