Comment: Greenhouse covering

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Greenhouse covering

That will help a lot having it in your greenhouse. Before, when I lived in Kansas City I built a tank similar to yours dug into the ground. The sides I used cement blocks two thick all filled with cement and painted black. Also had a black pond liner in the tank. I had around 14 inches all the way around in solid mass and it did help a lot until probably around December. Once the nights got so much longer and colder it just didn't take in enough heat during the short days (often cloud covered) to overcome the cold mass that set in the night before. Mine was outside with just a piece of black plastic that I pulled over it. It worked to a degree but in late winter I was using 1500 watts to keep it around 55 - 65 degrees. I think you will fair better being cover by the greenhouse as wind chill pulls heat away pretty fast.

The bold effort the present bank had made to control the government ... are but premonitions of the fate that await the American people should they be deluded into a perpetuation of this institution or the establishment of another like it-Andrew Jackson