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It depends on what kind of rock dust you're looking for. If you're looking for limestone or gravel powder, check your local gravel pit.

There is a growing trend of using glacial rock dust for gardening purposes due to it's minerally-diverse makeup .

Call around to your local garden supply stores to check for availability. You can also order it online, but be warned, shipping rocks in the mail isn't cheap.

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14y ago

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