I am wondering if anyone can help with this, from our garden club:
We're looking to keep 2 gallons max of water from freezing. We do have a
power outlet in the chicken house with an extension cord, but the closest
grid power source is about 100' away.
Could the water be heated with a solar cell grid? Not sure what area would
be needed, or where we can buy the "most efficient" solar cells. Any help
would be much appreciated.