I am in need of some help/recommendations with the Brinsea Octagon 20 advance and Little Giant incubator. I have bought the automatic turners for both. I did not purchase a humidity pump for the Brinsea.....this is going to be a long post...so here we go! All of my incubating has always been done by either a Silkie hen or the Brinsea mini advance- I absolutely love this incubator, and have GREAT success with it. I recently wanted to hatch a large amount due to the demand of chick breeds I hatch. I bough the 2 incubators above just to try out and hoping/ aiming for a successful hatch but, this did not happen. I did everything that I had done with my small incubator with the settings and I put a countdown on and waited. I took both turners away just like you are supposed to. By day 21 I had about 1 or 2 in each incubator hatch and some pipping in each incubator. By day 25 everything seemed to be a struggle which I had never experiment with my tiny incubator. I kept water pots filled and even put sponges in at day 18 to raise humidity. When I opened up eggs that had not hatched, both incubators had fully formed chicks and some had not absorbed the yolk at all. What could have happened? Temperature? Humidity? Both? I would like to try hatching with them again but not before I figure out what went wrong. Now I need some "expert" advice from experienced incubating people so to speak. If possible please be specific with problems you can figure out with the specific incubator listed. Included is one photo of a chick that I opened and did an "eggtopsy" on.