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bbs bagged decomposed granite (dg)

jpaz
9 years ago

This Decomposed Granite (.5 cubic feet for $3.48) contains a lot of (clay?) dust which tends to migrate to the bottom of containers where it can form a drainage impeding "sludge". I washed it using a garden hose and a fine kitchen sieve to remove the dust which reduced the volume by almost one half.

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unwashed

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After washing to remove dust

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Example of dried "dust sludge" - bottom layer stayed in pot

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With dust removed from inorganic component of a potting media

This post was edited by jpaz on Wed, Sep 17, 14 at 12:31