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Vermiculite
[Fine Grade]


Fine (small) sized vermiculite. Fine vermiculite is commonly used as an ingredient in mushroom substrate cakes, such as PF-tek style cakes. The PF tek recipe is: 2 parts fine vermiculite, 1 part brown rice flour, 1 part H2O.

Sold in ½ gallon increments.

Coarse grade vermiculite is available here.

 

01/26/2014
david
5 of 5 Stars
I was needing some vermiculite like right now. no stores around me carried it being winter an all. placed my order at shroomsupply and had it here lickity split... saved my dunk and roll thanks.