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rocket mass heaters
Granite & Cob
David Marin
Posts: 20
Location: NW Arizona
posted 11 years ago
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My back yard has about 2" of 1/2 or 3/4 crushed granite will this be ok to mix into my cob filler for my RMH ? TIA
If we lose freedom here, there is no place to escape to.
This is the last stand on earth.
R.R. 1964
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