Could my chicks be drowning

[donddon]

According to the blurb included with my incubator, on day 21, 75% is ideal, raised to 80-85% when hatching starts. Don't lose the heat.

How goes the pipping?

 

[Paddyl]

According to the blurb included with my incubator, on day 21, 75% is ideal, raised to 80-85% when hatching starts. Don't lose the heat.

How goes the pipping?

One has pipped 24 hours ago and has made very little progress at all. Another pipped 8 hours ago and hasn’t made any progress. Starting to get worried