Really this morning I started 9 khaki Campbell eggs in my new incubator. This is my first attempt to hatch duck eggs. I read to have humidity at 55-65% for the first 25 days, but so far I can't get it above 50%. This is a Farm innovators circulated air with automatic turner. Temp is staying around 99.5°. The water slots on the bottom cover are full. What else can I do to raise the humidity?