What is the Floor hole size for the Chick Brooder 9.5" (CB25), Chick Brooder 15" (CB40) & the Grow Out 9.5" (GL25)? Katrina B. | Hatching Time December 02, 2021 19:16 3/8" X 3/8" Related articles What is the floor hole size for the Grow Out 15" (GL40)? What flooring can be used for Jumbo Quail? Can a brooder (CB) be used as a grow out pen (GL)? Can a grow out pen (GL) be used as a brooder (CB)? What can I do if water is stops flowing to drinker cups? Can I change/swap the floors on my cages? Comments 0 comments Please sign in to leave a comment.