Quote Originally Posted by Yzmasmom View Post
There is one at the surface of her hot spot to measure the hot spot.
There is also one on the bedding surface in her cold hut to measure the cold spot.
So now, I need a third thermometer, dangling in the center??
No, it doesn't sound like it. The one sitting on the substrate in the cold hide is giving you a good air temp so the rest of the tank should be good as well.