Quote Originally Posted by BumbleB View Post
You definitely need a thermostat for both things. Also look into radiant heat panels instead of the ceramic heater you could have it set at around 80 to keep the ambient temps up and the uth set to 90 for the hot spot.
Agree with this. I have RHP's in my 48"x30"x18" Boamasters and they are awesome at maintaining the ambient temperature.