My concern here is obvious. My eggs candled on day 18 with only the air pocket being able to be seen. Candling on day 8 showed some veining in them as well. Will they hatch if the 'bator has been at these temps the entire time. I purchased a digital thermometer today and the readings were between 96 and 97 not the 99.5 that the regular merc thermometer has been reading for the last 19 days!!!