Propane: 20lbs for $13.75 or $2.95 by the Gallon

Heated Poultry Drinker Base, 125-Watts

Various

Heated Drinker Base. Set your metal drinker on this base to prevent water from freezing down to 10 degrees F. The base is thermostatically controlled and has 125 watts of power. Use it outdoors in a dry covered area.