Hi, guys. The eggs are on day 20 today. All 11 showed life when I candled them on day 18 and put them in lockdown. Yesterday, I heard one of my chicks chirping in its shell & the egg was rocking pretty good. Question is - how long after the internal pip should I expect the external pipping to start? I know each egg is different & there's no exact answer, but maybe you could give me a general idea. I've tried looking through threads and googling to find my answer, but I'm on my phone and it's not the most convenient way of going about it. Thanks.