Hello! I'm getting ready to set eggs in my Little Giant with a fan and egg turner. My last two hatches have only been around 50% and I believe it's because of humidity issues. I think I've drowned my chicks right before hatch because I find fully formed chicks in the eggs. With no water added the humidity in the incubator is about 35% (outside air is about 60%. Should I add water? What level is ideal for the first 18 days? What lever is idea for the last 3 days? I'm in Northwest Indiana if that makes any difference. THANK YOU!!