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Amazon Shop for: Agar, Brown Rice Flour, Peat, Rye Grain, Vermiculite, Wild Bird Seed

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InvisibleLand_Crab
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Registered: 08/29/04
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The mechanics of the substrate
    #3218276 - 10/05/04 03:02 PM (12 years, 3 months ago)

Hello,
I am trying to figure out precisely why it is that the conventional cake tek for psilocybe cubensis calls for vermiculite and brown rice flour. The brown rice flour provides nutrients for the mycelium, right? Vermiculite is very absorbent, expands in response to heat, and is porous - so it provides surface area for the mycelium to grow on. Does the vermiculite essentially "suck up" the brown rice flour?

The reason I'm asking is because I'm wondering if there aren't possibly any substrates out there that might provide faster colonization. (Peat? Sawdust?)

Thanks


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OfflineElectricBoogaloo
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Registered: 09/07/04
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Re: The mechanics of the substrate [Re: Land_Crab]
    #3218331 - 10/05/04 03:17 PM (12 years, 3 months ago)

If you check out some of the other teks and the grow log forum, you'll see that people use tons of different substrates, from poop to noodles.


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OfflineIce House Shaman
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Re: The mechanics of the substrate [Re: Land_Crab]
    #3218444 - 10/05/04 03:48 PM (12 years, 3 months ago)

Vermiculite absorbs and retains water and it maintains the necessary humidity for the myc to fully colonize both spawn and substrate.


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Offlinejethro
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Registered: 09/19/04
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Re: The mechanics of the substrate [Re: Land_Crab]
    #3218628 - 10/05/04 04:48 PM (12 years, 3 months ago)

yeah, experiment a little.



Plain rye grain colonizes fast.


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Offline4hodmt
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Re: The mechanics of the substrate [Re: Land_Crab]
    #3218638 - 10/05/04 04:52 PM (12 years, 3 months ago)

myc. will not colonize straight BRF. the verm makes air pockets, and stores water.

thats why it is used. u hafta make sure us substrate isnt solid (which is wy i dont ge3t how agar works...its pretty solid...i think)


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Offlinediscman1
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Re: The mechanics of the substrate [Re: 4hodmt]
    #3218913 - 10/05/04 05:56 PM (12 years, 3 months ago)

Quote:

4hodmt said:
myc. will not colonize straight BRF. the verm makes air pockets, and stores water.

thats why it is used. u hafta make sure us substrate isnt solid (which is wy i dont ge3t how agar works...its pretty solid...i think)


With agar, the mycelium network grows on the surface. Agar isn't a fruiting medium, just a culture medium.

At least, that is how I understand it.


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Offlinescatmanrav
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Re: The mechanics of the substrate [Re: Land_Crab]
    #3221953 - 10/06/04 11:03 AM (12 years, 3 months ago)

You understand it correctly. Only a thin layer of agar is poured in order to let the mycelium grow on top.

Sawdust isnt for cubies, they don't love wood so much. Not that it couldnt work. Your trying to come up with faster growth but thinking of substrates like BRF cakes which are the slowest. Don't think of thick substrates, think of whole grains that leave lots of air (bird seed, pop corn, rye grass, rye berries, ect). Experiment though, cubie myc can grow on just about everything and will fruit from a number of things as well. Good luck!


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"life is like a drop of rain getting closer and closer to falling into a lake, and then when you hit the lake there is no more rain drop, only the lake."

Growing with bags, start to finish (including my new grain and substrate prep)
Anyone looking to start bulk tubs/mono tubs/shotgun hybrids? Good tubs to use..
How I do grain (old still good tips)
Turn your closet into a fruiting chamber
Casing layer colonization and overlay


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Amazon Shop for: Agar, Brown Rice Flour, Peat, Rye Grain, Vermiculite, Wild Bird Seed

Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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