A poop-free chicken waterer for just a few bucks using a bucket and a cent water dripping nipple. The website doesn't link directions but redirects to a sales website; it still has some good ideas, stuff that you could easily do at home.
(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.