hello i read in an articul that arter 10 days you need to open the vent in your incubator i have a brinsea eco glow 10 egg icubator and i have 9 eggs in it i was wonering are you suppose to open the vent its a big hole and i would think all the heat would escape there is 2 tiny holes in the side if that helps and last time i had a 80 percent hatch without opening it
