Thanks for all the info. I'll have two thermometers, one for each side of the tank, and I do have a small temp gun. I was thinking 60 watt, so that's obviously overkill! I've seen stacked hides for garters before; I think I'll try that as well. I'll post pictures of the set-up when I have it arranged.
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~Cynthia

"And in the spring, I shed my skin and it blows away with the changing wind..."