Im from Philippines, what is the level of humidity to maintain for an incubator? thanks... Climate of the Philippines http://en.wikipedia.org/wiki/Climate_of_the_Philippines
https://www.backyardchickens.com/a/hatching-eggs-101. This is a good read about humidity and why you need it. I have 45% for day 1-18 and then put it up to 65% at lock down for hatching. Hope this helps and good luck with incubation.