I am on my 4th hatch of chicks, and I am obviously doing something really wrong. Out of 41 eggs, the most I've ever gotten to hatch is about 20. I have an egg turner, I store my eggs properly before incubating them, and I even got my hubby to install a CPU fan to circulate the air inside the incubator. I have an Acurite temperature and humidity readout that I placed in the incubator. I closely, especially this last time, monitored the temperature and humidity. For this hatch, 9 or 10 eggs had to be thrown out around day 9 because they were either not fertilized or were quitters. Around day 14 I had to remove an egg because it was really starting to smell--a chick had quit growing and died. Another weird thing that happened this time is that the chicks started hatching on day 19 (not even quite 19 days). Another weird thing--I had 2 chicks that pipped the next day (day 20), they had broken large pieces of their shells off, and then promptly died. After 12 hours or so, I removed them. There was nothing wrong with the chicks inside the eggs--they just died for some unknown reason. I am now sitting at day 21 and have 11 unhatched eggs in my incubator. I have only hatched 17 out of 41. I am completely frustrated. I should be getting better hatches than this. The previous hatch I had 8 or 9 that did not hatch--I opened them up, and the chicks were completely formed--they just died. I'm doing something wrong, but for the life of me I cannot figure out what it is. I did open up one of the little windows in the incubator 2x to remove chicks but only when the humidity was like 80-85% as a result of the chicks hatching releasing moisture into the air. I was trying to keep the humidity aroud 65-75% for the last 3 days (closer to 65%), but when the chicks started hatching, the humidity would rise to 80 or 85%. What am I supposed to do when it gets that high? Also, I have my eggs laying directly on shelf liner covering the wire bottom; when the chicks hatch, they kick the rest of the eggs around. Could that be causing some of my problems? Please, please advise. I am wanting to purchase some eggs to hatch of a special variety (so far I've been hatching my chickens' eggs), so I want to get this figured out to get the best hatch possible. Thanks so much.