Automatic Chicken Drinker Cups With Bucket Mounting Hardware (2 Cups with Hardware) Backyard Flock Drinker Cups are an innovative way to provide always-fresh water to your flock. As a Traditional waterers, on the other hand, need to be cleaned and re-filled frequently, and are prone Backyard Flock Drinker Cups convert easily for side or bottom mounting. Backyard Flock Drinker Cups can be installed in the side or bottom of a container such as a bucket For a fully automated on demand solution, consider a Backyard Flock Automatic Poultry Watering