Silly question, but it just slipped my mind at the moment. What should I be looking for on day 14 (Friday for me)? Swimming and the veins getting larger? It's so dark in pretty much all my remaining eggs that I can just barely see the tips of blood veins by the air sac. I may just have a bad candler too but I fashioned a little hole in cardboard for my spot light, which is extremely powerful, and still don't see much.
Its funny because with my eggs from my own chickens, the whole thing lights up with a nice red glow and some of those are dark brown eggs. The only one I cant always see through is the olive colored egg I get.
I suppose I need to take into account the chick blocking most of the light, since he's you know, getting bigger and all