Quote Originally Posted by EntertheWutang View Post
So the zoomed uth can be adjusted to 90 degrees? And I also read online that UTH's can malfunction and get up to like 120, have you ever had anything that drastic happen? Also what substrate do you use?
An unregulated UTH can def get that hot. I tested mine before hooking it up to a thermostat and *shivers* scary high temps in a matter of minutes. You absolutely MUST have a thermostat for your UTH.

I use a combination of reptibark and Eco earth.