@Graciesing2us haha yup! Just gotta cosider that babies are growing inside and taking up alot of space, and obviously they are solid objects! so the egg gets blacked out whith their little bird bodies smushed in there :D
Egg 7 looks lika goner, I'd leave the others, the dark ones are most likely due to the chicks positioning above the light so they blot out and look like black blobs, sometimes I candle from the top of the egg to get a good look about, plus chicks in a clutch can be staggered hatching over a...
Just remember in a few days the blood vessels and fetus will have grown so they should darken the egg considerably and make the aircell more obvious in turn, they'll look pretty uninteresting candling wise cause they re all dark, but that's how you know they're still kicking! One of my darker...
I'd stop I leave them till day 11 to throw though as its much clearer then I have a clutch at day 11 right now and just tossed two infertile and one blood ring egg but all the rest are good so far!