I have RIRs, Easter Eggers, 3 Cuckoo Marans, 4 Silver Laced Wyandottes, 2 Partridge Plymouth Rocks, 1 Black Jersey Giant, I also have 31 guinea eggs in one incubator, and some chicken eggs in another, and 5 Duck eggs in another. Oh, and I bought 7 silkies that were on sale at TSC that had pasty...
You can regulate humidity by opening/closing vents and increasing/decreasing the surface area of the water. If the tray has separate channels just add water to one at a time and check the humidity after an hour or so. Then keep adding until you get your desired humidity. Hope this helps.
I just got my first Silkies from TSC. There were 7 that were marked down to $1 because they had been there for a week or so. I bought them all because they had pasty butt and I couldn't help but save them. Anything I should know about Silkies?