I know I have seen them some where in here but I cant find them. I am looking for a watering method that I can use a 5 gallon bucket (or larger) but has a small water bowl for them to drink out of. It had some sort of float or soemthing in it so when the water level dropped just enough came out and you did have to worry about them running dry. I think I saw them on a tractor that someone had? Any Help?