Carolina Gardening: No no no no no!, 1 by Xeramtheum
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In reply to: No no no no no!
Forum: Carolina Gardening
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Xeramtheum wrote: 2ltr soda bottles painted black and filled with water is great for passive solar heating .. I put them underneath my extra tropicals and they keep the soil temperature a little bit warmer than everything else. They collect heat in the daytime and release it at night. |