Quote Originally Posted by flameethrower View Post
Thats your problem. Back heat can not be used when keeping snakes in a cold room. Since you get cold winters you need to ditch the back heat and get belly heat. Belly heat in tubs will also help raise your cool side temps as well.
Whoa, back heated racks work great! But the problem is usually the thermostat probe is placed on or next to the heat tape, where room temp changes still have an affect. Like i said if you place the probe in an empty tub you shouldnt see any problems. How are you heating your chondro cages?