Will they hatch? What do I do???

Hi, I have incubated 10 eggs, 6 have hatched on day 21-22.
It’s now day 24 and the remaining 4 haven’t hatched…
I candled them and no movement but they are all developed…
I did the float water test and two of them floated well like 80% of the egg was underwater.
them the other two sunk right down to the bottom.

What should I do???
should I open the eggs? Or leave them in the incubator?


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