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bonsaiTALK Adept
Join Date: Dec-2005
Country: USA
Posts: 227
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Decomposed Granite
This could very well be considered a stupid question, but any help I can get is greatly appreciated...
Question: Is there a difference between decomposed granite and granite chips?
My gut feeling: Yes - by a couple hundred million years.
Reason behind the question: I would like to add trace amounts of decomposed granite to my soil mix that will leech micronutirents into the soil. I am having a difficult time finding any that does not range down to dust particle size and is total muck this time of year - hence, unsiftable. I have located a source for granite chips of consistent size out of Canada (as opposed to Cali where decomposed granite comes from), and they offer four (yet unknown) sizes up to 1/4". I don't think this is the same, and guess I need to wait a couple hundred million years before anything will leech out into the soil, but I hope some people out there with bigger brains than I have might have a real answer...
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