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  4.   Perlite
Product 8/20
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Perlite

Perlite
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Perlite
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Natural perlite. Our perlite is large sized (coarse grade) and is free of any additives or chemicals. Perlite is most frequently used to keep mushroom chambers hydrated at a high humidity.

Sold in ½ gallon increments.
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$4.00 USD

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