Quote Originally Posted by Naom9Anne View Post
What you need is a thermostat to regulate the heat if it's not already attached to one.
You can't use a thermostat with this bulb (the powersun).

Your best bet is to set it up similar to the link I posted above. I would just use an infrared bulb 24/7 then you don't have to switch out day/night bulbs or mess with different fixtures twice a day.