Hi All, I have just completed building my own incubator using an old refrigerator, today is hatching day and so far it looks pretty good, 36 have hatched so far out of 47 with a couple pipping at the moment. I have found that a humidity reading of between 70 and 75% works wonders when hatching ( I am in South Africa which is a lot hotter than USA, temps of 40 degrees celcius are common here), I think it might be because of the heat we experience here. I have never piped an egg and this is the first time I've heard of it. I breed Orpingtons.