First, the light is placed in the center of my cage, the pad is on one side.

Second, no I didn't stick the pad because if I did, I wouldn't be able to use it again as easily as just moving it.

If you look at the sticky, it will explain more.

http://www.ball-pythons.net/forums/s...ad.php?t=55849

The explanation about the pad is towards the end.