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Entry Date
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Location
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Wednesday, December 31, 2014
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DeanAZ
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Scottsdale, Arizona
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Entry 12 of 12 |
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The hotboxes are our version of cold frames. We thought about the structures we have seen other gardeners use, but determined that the styrofoam insulation box (with cover) would help us keep the plant warm at night. The box is light enough that we can remove it in the morning and let the sun beat through the greenhouse plastic to warm up the plant and soil even more. We don't have electricity at the garden, therefore, we have bought a bunch of religious candles to burn inside the boxes at night. Depending on what the overnight low, we can use either one or two candles. It seems to increase the temperatures about 10 degrees for each candle. The 2-inch insulation has about a R-7 factor.
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