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  2.   Raw Ingredients
  3.   Raw Ingredients (Standard)
  4.   Vermiculite - [Coarse Grade]
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Vermiculite - [Coarse Grade]

Vermiculite - [Coarse Grade]
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Vermiculite - [Coarse Grade]
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  • (image for) Vermiculite - [Coarse Grade]
Coarse (large) sized vermiculite. Coarse vermiculite is typically used as an ingredient in mushroom substrates for the purpose of retaining moisture.

Sold in ½ gallon increments.

Fine grade vermiculite is available here.
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$4.25 USD

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