I wrapped the heating pad with aluminum foil for more heat conduction, but I don't really know if that does anything. I also don't want the pad to be directly against the towels. Then over the foil a hand towel on each side, then wrapped in Press and Seal.
The chick cave is the bottom of a pet carrier, with bubble foil insulation adhered to the inside. This is only for new chicks. Once the chicks are a few weeks old they don't want to go under the cave any longer.
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