Tonyroo
Free Ranging
Some suggestions are based on people who had success with there method of using 30% humidity. Like if you live in a humid or dry climate you have to adjust your humidity to the correct number. But from day 1 to day 18 it should be around 30% to 50%, the range is an estimate. The purpose of that is the egg releases moisture each day to create an air sac while the embryo develop.