With winter here anyone raising chickens knows they have to have some way of keeping the water from freezing so the chickens can actually drink some. Here are 2 neat ways to keep the water from freezing in the coop thanks to backyardchickens you can do either of these yourself, I also think either of them could be used to provide a little warmth in the greenhouse as well.
Cinder block “heater” to keep the chickens water from freezing
http://www.backyardchickens.com/a/mareed2ks-chicken-coop
Flower pot chicken water heater
http://www.backyardchickens.com/a/wichita-cabin-coop
