So I have gone to a dry incubator in order to increase the air space sizes in the eggs. Tuesday, I made the transition from 55% on down throughout the day. By yesterday it was dry (reading 27%) and the same today. I re traced the air spaces today; the will be at the 17 day mark in a couple of hours. I plan on keeping them dry until I see the membranes start to draw down--unless you think I should do otherwise. Here are pics; some are sideways/upside down--sorry. I turned them so you could see basically the profile of the air space as traced. The outer line is from today-day 1700, the line prior is day 14.