I have 7 chicks in a brooder downstairs and despite me cleaning the brooder every other day, dusting the entire room, using a mild bleach solution and adding fresh litter, they STINK. They're smelling up my whole house. I feel like we are living in a barn and I'm horrified at the thought of having visitors this holiday. So...What can I do? They're 5 weeks, I know they're not ready to go out yet and we don't have an option for heating the coop. I'm hoping that when they're fully feathered in a few more weeks I can slowly transition them to being outside by letting them spend a few hours in the coop. Considering they have each other to huddle up with and they will be well feathered at that point is my plan reasonable? Our temps are slowly dropping to freezing but vary between 50s-30s during the day. I have people coming this and next weekend. Any immediate fixes?