I just graduated from the cutsy plastic waterer to a 2 gallon galvanized pail...the cover pushes down around the sides and the water comes out of a small hole...the only problem is the water comes out and goes everywhere!!!! It doesn't stop until it is at the rim! I had to dump ALL the wood shaves today, the water had seeped through out! I really like the plastic one, with the red screw on base and could buy it bigger, but wonder how it will do in the winter, cause it wouldn't be heated? Should I buy two and rotate them...