Oh, she’s an egg eater! Now that’s a problem. There are things that people do to stop that. I’ve never experienced that. The only times my chickens eat an egg is if one gets broken like if I’m clumsy, lol, or if one of them lays an egg without a shell, but I’ve never had one that ate eggs that...
My understanding is that calcium citrate works better than calcium carbonate so check your bottles label. You didn’t mention what she eats so I’ll make some guesstimates. Make sure she has oyster shell available 24/7. I have a feeder inside my coop that I keep filled with just oyster shell. (No...