Manual Incubation Help ASAP

[shawluvsbirds]

I also only heat my brooder (just one end) to 90-95 for that first day when you are first taking them out of the incubator and they might still be a little wet.
The next day I adjust it down to about 85 in the warmest spot.
Ducks don't seem to need as much heat as one thinks.
You can tell if they're cold and warm them up a little more if they are all huddled up and refusing to move out from under the heat.
I would rather risk them getting a little cool and turn the heat up for them then have them overheating and dehydrating.

 

[HollowOfWisps]

I think they meant for the eggs they were going to bring inside to finish hatching.

If they are not being brought inside until they gave started to zip..then no. I wouldn't worry about the humidity at that point.
Once they have progressed as far as starting to zip you shouldn't have any problems and you will be able to monitor and pop the end cap off and help them out if you need to.
I have placed zipping duck eggs right in the brooder with their brothers and sisters to let them finish zipping out before.

Oh my bad thanks for correcting me!