im hatching silkies and have did so a few times before this ..i have a sportsman 1502 i keep the incubator at 69% humidity durin hatch some hatch fine but im having some still get stuck or srink rapped ive lost 2 to this!!! one of wich zipped all the way round then couldent get the top offf.....what do u guys keep ur humidity at or do u have problems with humidtiy in ur cabnet?