People say a lot of things tbh. Ive seen people say 40-70 percent. I would look at your sources. By no means am i implying i should be your source. When and if i have questions i contact bigger well known sources like James Marie Farms and ask them. I find the guy who ships out 38,000 + eggs a...
So i scanned this tbh. I see your concerned about your eggs. Just curious why your humidity is 40 percent?
Talking with James Marie Farms they recommend 50-55 percent humidity temperature at 100. He actually recommends a dry hatch meaning dont raise humidity. for a wet hatch 60 for humidity...