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
(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.
Easiest DIY Automatic Chicken Waterer You’ll Ever Make
"As a vet, I recommend that everyone raising hens change from open water sources to nipple drinkers.the hens get plenty of water, and the disease reduction is so striking that there is no doubt which is better. Mike Petrik, The Chicken Vet
An inspiringly clean chicken coop - Sunset Magazine