I guess I'm confused, Neil. It just seems that a hole in a bucket with a hose coming out of it will leak lots & lots of water.
But then you are not a fluid dynamics engineer. I will tell you all about the easy way to do it.
And don't they say 1 nipple drinker/3 chickens.
Yeah- a lot of...
Now that I look at your avatar I see you have many different sizes of birds. Considering that I think I would recomend a cup.
Put the cup in a place that is easy for you to access and save a squirt bottle of some sort to swish the cup out after you run a cloth around it every three days.
E...
You could attach something like this to the post that I see in the pic. With a backer it could also be attached to the fence.
It takes a high production layer about 20 days to drink a gallon of water. So for eight birds could you give them fresh water in a five gallon container every two or...