Quote Originally Posted by Kurt View Post
I used to use a 40 watt bulb on a ten gallon and it brought it up to 85 - 90 F.
Then... my themometer is lying and the frog has something else causing this weirdness, or my lamp/lightbulbs suck. Or the tank is simply too big for the entire thing to be very affected by the lightbulb which is tangling about 5 inches above the lid.