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Wild Edibles Expert
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10,167 Posts
I wanted to try this earlier this year but car tire inner tubes are a thing of the past. The best I could do was find expensive tractor tires.
 

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Wild Edibles Expert
Joined
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10,167 Posts
It might work, but I think the air space in the tube reduces heat loss by convection. But, that depends on where you are and when I suspect. I think a tire here in Florida in the summer would probably work.
 
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