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My "IncuTainers" Are Now "Cooking" at 78 Degrees (pics)
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November 19, 2010
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RinTinTin
Tomatovillian™
Join Date: Aug 2010
Location: Seattle
Posts: 581
Or possibly add an aquarium
pump
, and have it circulate the heated water from below through coils of copper tubing above the soil (like an old fashioned steam radiator), and discharge the water back into the bottom chamber.
RinTinTin
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