Perlite – 1 gallon bag


15 in stock

Product Description


Horticultural medum grade perlite.

Here is a wonderful document on the use of perlite in mushroom cultivation, from the Vaults of Erowid:

Perlite Humidification FAQ

We recommend boiling and straining or draining this product prior to use as a humidification aid. This helps wash away the perlite powder and increases efficiency in moisture release. The one gallon sack should be enough perlite to lay two inches deep in a medium sized mushroom terrarium (10 gallon containers). For larger mushroom terrariums, you might need two bags.


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