Its not that big of a deal if the eggs weights vary a little, but they shouldn't be all over the place. If they are, then it may be time to make some modifications to your incubator or get a new one. Eggs that are way off would probably mean something very wonky is going on in there! Or, as stated previously, you may have some porous eggs, and there really isn't much you can do about those other than
and hope they'll be okay.

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