Quote Originally Posted by The Serpent Merchant View Post
UTH= Under Tank Heater it is a resistive heating element that will provide the heat by heating the floor of the cage. they do not affect the air temperature in the cage so if your room gets below 75 degrees you will need more than just a UTH.

UTH's must be regulated by a thermostat.
Oh I have one. I just call it a heating pad haha