Abstract: A livestock watering tank being used for receiving water for feeding livestock, the tank includes first and second sidewalls, a top, an upper rim wall and a bottom, the tank being formed of molded plastic to prevent corrosion. The tank includes a float valve for controlling the supply of water from the tank to the drinking tray. The tank is shaped so as to be nestable with another tank and includes a first pair of nesting members formed on the first sidewall of the tank, and a second pair of nesting members formed on the second sidewall of the tank, and the first and second pairs of nesting members each having nesting surfaces on their lower edges for engaging and resting on the upper rim wall of another tank in order to allow the tank to nest within another tank and to space the tops of the tanks apart a predetermined amount.

Abstract: A livestock watering tank being used for receiving water for feeding livestock, the tank includes first and second sidewalls, a top, an upper rim wall and a bottom, the tank being formed of molded plastic to prevent corrosion. The tank includes a float valve for controlling the supply of water from the tank to the drinking tray. The tank is shaped so as to be nestable with another tank and includes a first pair of nesting members formed on the first sidewall of the tank, and a second pair of nesting members formed on the second sidewall of the tank, and the first and second pairs of nesting members each having nesting surfaces on their lower edges for engaging and resting on the upper rim wall of another tank in order to allow the tank to nest within another tank and to space the tops of the tanks apart a predetermined amount.

Abstract: A livestock watering tank has a main tank and a drinker tray disposed below the main tank. Both the main tank and the tray are formed of molded plastic to prevent corrosion and for easy cleaning. The tanks are nestable for easy shipping and storage.