Which one is the best self waterer for about 10 chickens?

[crazy huhn]

My old self waterer (C G SMITH distr. brand) started to drip after more than 2 years and no cleaning will fix it. I liked the one a lot, but cannot find it anymore. Out of your experience which self waterer brand do you like and use and where would I get it?

 

[nhnanna]

I use the the water bottle waters for my baby chicks. I get them at Walmart for about 3.00 apiece. I think they are used for like rabbits or small animals in cages. They learn to use it real quick and it doesn't take up space in the cage or get full of shavings.