I finally got a new thermometer for my viv. Its getting too cold in there at night. So I got a Zoomed UTH. I mounted it on the side at 8:00 last night. Woke up worried it got too hot cause I didn't get a thermostat. But the temp said only 65 degrees!! I bought the one that is for my 50 gal tank. Surely something is wrong with the UTH or is it not capable of putting out enough heat to make it 80 degrees? I have her light on now so she'll be fine today but what do I do for tonite?