[permaculture] Cinder Block = Fly Ash?

ChildrensPeaceGuild childrenspeaceguild at yahoo.com
Sat Mar 30 19:52:15 EDT 2013


A friend came across some cheap cinder block and wanted to make a raised bed, but had read they contain fly ash.
Does anyone have recommendations/experience regarding this?

 
-Roman

Children's Permacultue Guild


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