I read somewhere on here that as the chicks get ready to hatch that the humidity rises. I was warned over and over again to be careful about how high humidity was at lockdown because it raises as the chicks get close. I believe it was because of the albumin being absorbed. I'll look for the link and post it.
Thats what I was thinking, too. I am doing dry hatch so it's not that high. IT did come back down to 28% though. So who knows what it was. I wont be adding humidity until end of day 18 or first pip. whichever comes first.
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