- Jan 13, 2010
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I thought about adding foam insulation as well. I saw another BYCer put card board around the sides of thier glass incubator. Have you hatched in the glass aquarium before? I had high & low temperature swings(92-103) during my first hatch a couple of years ago, and still had 70% hatch rate. If you think about it, I don't think a hen can keep all eggs at exactly 99.5 for the entire 21 days, so don't lose hope!