In case you don't know what olegator is talking about, here's the link to the Dry Incubation, or Augmented Ambient Humidity, method:
https://www.backyardchickens.com/LC-DryIncubation.html
I ran across this method about 5 years ago. It really is worth studying and getting to know it.
https://www.backyardchickens.com/LC-DryIncubation.html
I ran across this method about 5 years ago. It really is worth studying and getting to know it.