My turner came in! I installed it, and I'll be nearby so hopefully I'll hear it work? Other than plugging it in, there's no other indication that it's running/working.
My candler came in as well, and I figured I may as well candle the eggs before placing them into the trays. You said I shouldn't be able to see anything at this stage, which was mostly true. But there were at least 4 eggs with absolutely nothing in them, just like your glowing green-blue egg (second image), and two that 100% have membranes in them -- I saw the blood/nerves. The rest of them I could see the air sac. Most had a little dark blob that kind of moved around as I turned them, but no idea what that is. A few had REALLY small air sacs, so I'm assuming those are bad eggs.
I didn't toss any out. I kept them all and I'll see what happens in a few more days...
One egg did kind of "explode" though. This is the second time it's happened. I'm guessing they had cracks in them, and the heat + humidity pushed the insides out... looked like sap gathering on the outside of the shell, and smelled HORRIBLE.
To answer the question about the gauge, yes I bought a new one. It displays temperature and humidity on a digital screen.
I periodically check the gauge throughout the day and make any small changes if the temp gets too high or too low.
A few had REALLY small air sacs, so I'm assuming those are bad eggs.[/QUOTE]
No, their air cell should be small at this time. It will grow as the embryo uses up It's yolk and thus looses moisture content. That's why it's important to maintain the humidity in the bator within a known range.