Here's the link to the waterer post: https://www.backyardchickens.com/t/...keeping-thread-ots-welcome/1000#post_10109510
This is the one I liked best:
Cup type A. (So far I like this one best. It is the less expensive at $1.70 ea.) This one PASSED THE FIRST FREEZE TEST.
I purchased these at http://www.cornerstone-farm.com/equipment/poultry-float-valve-226

This is the one I liked best:
Cup type A. (So far I like this one best. It is the less expensive at $1.70 ea.) This one PASSED THE FIRST FREEZE TEST.
I purchased these at http://www.cornerstone-farm.com/equipment/poultry-float-valve-226