What humidity should the incubator stay out throughout incubation?

[wmkennedy25]

do you need to open any of the air holes during the last 3 day or should they be closed?

 

[TaLani]

Quote:
I close mine to help keep the humidity up.

 

[dusterbd]

Well I have had to leave mine open because it affects the temperature of the incubator if I plug them.