Quote Originally Posted by slipknotsteve View Post
29 gal. Glass Mesh metal top, cypress mulch, and I'm trying to get the ambient air temp up, the thermometer is in the hot and I'm on the cold side about 5 inches off the bottom
The thermometer should be directly on the cypress with the probe ontop of the glass, over the UTH.

Is your Uth regulated with a thermostat and does your lamp have a dimmer?