I got through last winter and two summers with these waterers, which might be part of the problem...maybe they were sun and cold damaged too. Boo.
I don't have time to run out several times a day, so I water twice a day, let everyone have their fill and when it freezes, it freezes.
I don't have time to run out several times a day, so I water twice a day, let everyone have their fill and when it freezes, it freezes.