ok so here my question..... i got a hovabator 1586 picture window model and hatched a few chicks about 6 months ago. I havnt used it since however. Now my friend has a small duck that created a nest of eggs over the last 2 days but she layed them in the garden, now because we have foxes here she tried to move the mother and the nest into the duck pen but the mother has now abandoned the eggs. So im not sure whats going to happen but i offered she could put the eggs in my incubator as whats the harm in trying right? So im getting the temp to 37.5, but i am having trouble with the humidity..... I cant remember how many trays your supposed to fill to get the humidity up to 55%?? I shall get a humidity gage thingy tonight from the harware store after work but until then..... how many trays should i fill? Thanks a heap any help greatly appreciated!