My babies are 4 weeks old and we have them a brooder in their own room right now. I have not been able to get the temp in the room lower than 85 with the red light that we have so I only run it at night. We want to move them to the coop but the nights he down to the mid 40's. I'm worried that they will not get used to the colder nights. It has been mid 80's durring the day here. We have moved the light, went to a smaller bulb and it still stays about 85 when I Chek it. I want to move them because the room is pretty dark all the time. (The 1 window doesn't get much light). Should I just not use the lamp at all? I just don't want them to not be acclimated to the temps before we make the big move.