Is it posible that the fan in the incubator is drying out the chicks in their shell? Or do you think that I just have a humidity issue and it dosen't have anything to do with the fan? I built a homemade incubator and the eggs are getting ready to hatch. 1 of the chicks started to pip last night and hasn't moved since last night. I don't know if it is all dryed out in there or not. The humidity according to a gage that I have in there is around 60%. The gage isn't very expensive though so I don't really know how accurite it is. Well thanks for all your help. 21 days is today by the way.