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Michael,
I'm not sure what sort of lava-stone based mixes you have seen, but I and most others around here use the red lava rock as our primary soil ingredient. Once it has been screened, as one must do with most soil mix ingredients, it has no more fines than anything else. The remaining fines are a function of the size of screen one uses. I find red lava rock to be a quite satisfactory soil component, whether used straight, or in combination with other ingredients. Regards, Roger Snipes Spokane, WA. USA. Zone 5-ish ----- Original Message ----- From: "Michael Persiano" I have had many individuals bring me trees with root zone problems related to the "fines" in lava stone-based soil mixes. The "fines" seem to create drainage problems. For this reason, I am not an advocate of the reddish lava stone mixes that I have seen. ************************************************** ****************************** ++++Sponsored, in part, by Bob Pastorio++++ ************************************************** ****************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ |
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