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Amazon Shop for: Calcium Carbonate, Gypsum, Paul Stamets, Perlite

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Registered: 10/20/03
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perlite based spawn ?
    #3149224 - 09/17/04 06:45 PM (12 years, 6 months ago)

just found this links that allude to perlite as a base for spawn on the internet:

This is one of the described formulas:


This was developed by Lemke (1971). Perlite is a mineral which expands at temperature more than 10000C. The ingredients, of the spawn are : Perlite (1,450 g), wheat-bran (1,650 g), gypsum (200 g), calcium carbonate (50 g), and water (665 cc). The gredients are mixed, filled in bottles and sterlized. Thereafter, the process is the same as for grain spawn. Perlite spawn is easy to disperse and can be produced at a cheaper cost. This spawn can be stored for a long time.

And this one seems to be from Stamet's TMC:


Perlite Spawn:

120 ml. water
40 g. perlite
50 g. wheat bran
6 g. gypsum
1 g. calcium carbonate

Anyone here ever tried that out?

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Registered: 05/29/04
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Re: perlite based spawn ? [Re: ragadinks]
    #3153471 - 09/19/04 08:31 PM (12 years, 6 months ago)

Nope. Maybe it would be good if using to inoculate slow growing mushrooms or a slow colonising substrate to lessen threat of grain getting contamenated at the spawning.

But other then that I dont see a benefit cuz the grain used adds much of the nutrients to the substrate for fruiting.


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Mushrooms, Mycology and Psychedelics >> Gourmet and Medicinal Mushrooms

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