Quote Originally Posted by dkspftw View Post
Thermostat, yes. But my concern is that 100w would be too much, not insufficient.
Should be just fine if controlled by a thermostat, my concern would be the same, too much, but if you have it hooked up to a thermostat should be just fine. I would at least see what the temps are like with what you have already, then go out and spend money if you need to.