The egg looked bad, but the membrane was not brown. The problem that leads to stuck chicks is un absorbed egg yolk. If the chick does not have yolk on it, it will almost never stick.
Dumb things: my adult daughter, when I showed her a little wind egg(a very small egg that is often laid right after a molt) wanted to know if I had washed the egg. I asked her if it looked dirty. She told me that of course it was dirty--it came out of a chicken!
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