So here’s the deal: it’s usually best to leave the lid closed until everyone’s done hatching, mainly to keep that humidity steady — opening the incubator too early can shrink wrap the ones still working their way out, especially if they’ve just pipped.
That said, if the 4 that hatched are dry...
I use this coop/ cage deodorizer and it has worked super good for me. A friend recommended it to me and now I use it all the time! https://gonorthshop.com/collections/hatortempt/products/chicken-coop-yard-deodorizer-32oz