No problem! Yeah it’s really easy and saves the hassle of going out to buy one or worrying about any nasties infecting the little chickies! Good luck and enjoy chicken-keeping!
Umm boiling would probably kill all of the germs, so it should be fine, but to be on the safe side you could always make a super easy homemade one out of a yogurt container and shallow Tupperware container. Just cut a few 1”x0.5” hole/slits along the bottom, put it in the Tupperware and fill it...