I had a heat lamp too but didnt need that much AT ALL...It could be a case where it internally pip the membrane and went thru shell, I had it happen on my first hatch it made it ok. As for opening your bator to remove chicks, i did it and worked ok , but my humididty was @ 70 % so it never fell below 60%. good luck, all will be fine don"t give up its worth the worry. And my bator is fomemade out of a 48 qt cooler.
If your house or where you keep them is heated just a 60 watt bulb will do with a metal reflector thing with a clamp .I clamp it on the end of the brooder box usually a day before the chicks hatch put a thermometer where the heat hits and see what it gets to.Should be 95-100 may have to raise it higher to get less heat or lower but usually its plenty hot and yes a big enough cardboard box or tote etc so they can move away from the heat and get cool.
If they are toocool they will just sort of stand around or huddle.
If they are warm enough they will run around chirping and happy. I would for sure put a thermometer in there.
I have had some pip a small crack and take 10 or 12 hours before they have the energy to try and zip dont worry.Its a hard job they do in spurts
REst then work then rest.
Try to not open the bator though as you dont want to shrink them in the shell where they cant move to zip out and die in there. 60 is ok but no lower and thats a tiny lowJust dont open it unless you HAVE to
GOOD LUCK!.


Oh and get a cardboard box for a brooder. Easy and disposable when dirty. Sort of insulated to keep out drafts well holds in heat well . Top open of course
The holes in your brooder may make it too drafty on them unless its an old incubator with tinsy holes.
Whoops posted on the wrong person!
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