Bucket Chicken Waterer Made from a 5 gallon bucket with lid and poultry water cups. Drill holes in lower part of bucket with a inch drill bit, screw in cups, fill with water and close with a lid for the safety of your birds
DIY Off-Grid Chicken-Watering System - Homestead and Livestock
(This would work for pets also.) homemade chicken waterer- so stinking simple and smart! (Wonder if you could do the same thing with a large "Gatorade" cooler and give your hens cool water in the summer.