Hold on- are you adjusting temperature to get your humidity readings correct? You could easily end up chasing your tail that way, and your temps will be all over the place.
Adjust and calibrate temperature first, before worrying about humidity. Temp is more important to eggs. You can take out...
This IncuView has the same problem of humidity spiking too high when adding even a tiny amount of water to the built in reservoir, so I’m using a shot glass to regulate things. It’s pictured below (back right, hard to see). I put it on a small square of cardboard so it doesn’t spill when the...