Originally Posted by BlazeInTexas
Help. I'm desperate during my first batch and, unfortunately, they are mostly endangered eggs. I've corralled several incubators because I was terrified of a minimal hatch and I'm as nervous right now as I was when I found out I was in the midst of a high risk pregnancy. I'm one day I to lockdown and a basketcase. 4 thermometers giving me 4 readings and 2 different humidity readings. All different. I thought I had too many eggs for a comfortable hatch in a Brinsea Octagon 20 Advance so on day 18 I placed them in a Farm Innovators Pro Series model 4250. How high humidity is too high at this point??? I've only candled once and marked the air sacs as well as I could since the majority of the eggs are extremely dark Marans....unfortunately a lot of the Coronation Sussex didn't fertilize. I thought about putting them back into the Brinsea but the air vent slide is inop and I can't see myself watching 24+ eggs hatch in that tiny little space and not trying to get them out before the 24hrs are up and they're all dry first. I just feel woefully in over my head and driving myself crazy. Now I just noticed someone must've bumped the incubator cuz the lines of eggs are all akilter and now I don't know which ones may be wrong side up.....
Hi. Just didn't want you to feel alone. I, too, am hatching with the 4250. I'm glad that you have different therms and hygros in there, because I did the same throughout incubation and even after salt testing 3 hygros and then calibrating them, they all read differently in the incubator. I have been averaging all of them throughout and feel like I can get a pretty good reading from that.
I'm finding that because I have both vents open and there are so many other ventilation holes on the tops and bottoms, that with the fan running, it does seem to dry things out really quickly when they are pipping, so I think increasing the humidity higher than I would think was normal at hatch time is better. Just my thoughts so far. I don't think I've read many that ever get over 80% humidity when hatching on purpose, so I'm kinda thinking over that is high. Also know that when they start actually hatching and get out of the shell, the humidity increases from them. Lots of people also use cut out egg carton cups to hold the eggs more upright when hatching. I'm using little mini paper cupcake liners this time and it seems to be working well. I'm pretty sure you are fine to readjust your eggs right now if you want because you are on day 19 and haven't seen any pips? Good luck. There are so many other people here that are so experienced and have much more of a clue than me! It's a stressful time, though, no doubt about it!
Edit: After the chicks hatch and the humidity rises, it does seem to come back down a bit after an hour or so.
Edited by JillZ - 4/7/16 at 10:00pm