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Tyler said, "Did you do anything special to ensure a strong updraft, like install a solar chimney[/quote
Here are some threads that you or others might find of interest:
https://permies.com/t/143626/Solar-Chimney-Earth-Tubes
https://permies.com/t/157926/earth-tubes
https://permies.com/t/2386/toxicity-earthtube-building-materials
Invasive plants are Earth's way of insisting we notice her medicines. Stephen Herrod Buhner
Everyone learns what works by learning what doesn't work. Stephen Herrod Buhner
