Update: We removed the 100watt and put in a 40, raising it up above the brooder wire as a source of light for them. Everyone is looking good except one with a dirty vent, but we cleaned him up and put some petroleum jelly on. Thank you to everyone for your feedback.
Brand new to chicks. Our chicks came in the mail yesterday at 3 days old after a 2 1/2 day trip, we have a fairly large brooder 3x4 1/2 roughly. 3 feet tall. It is a wooden crate with a hardwire cover, a premier heat plate in a corner, water dish with rocks, small feed dish, twigs/branches and a...