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Mushrooms, Mycology and Psychedelics > Advanced Mycology
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Bulk Substrate Qusetion
    #683441 -

First, let me apoligize for presenting this basic question in the Advanced Forum but I could not get a single response on the other and I really need some guidance and I do not know who to turn to. I need advice on a specific stage in the bulk substrate method that I have trouble picturing the setup of. And thank you expert(s) in advance for taking your time to help this pleb.

1) In Step 6, "Empty the contents of a colonized spawn jar into the food processor." "Depending on your confidence and the sterility of your environment you can add anywhere from 4 to 20 times the amount of grain in your spawn jars." Can I work with the food processor and the adding of additional sterilized grain using the oven technique? Is the food processor even necessary? If so, how does one pack in so much material into a food processor? Would combining the jars in a big bowl in front of the oven work just as well? Or is there a better sterile way?

2) "Place this material in a container that can be loosely covered. This material should be treated exactly as the earlier spawn jars were treated..." At this stage am I dealing with a similar setup as you would use when creating spawn jars but you now have many more jars in a larger container setting in a dark, warm water bath? Or is all the freshly mixed substrate going into a single container that is kept in a warm water bath in the dark? Is it impractical to use the warm water bath with this much substrate at this stage? If so, what alternate method do you recommend?




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Do not weep; do not wax indignant. Understand. --Baruch Spinoza

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Re: Bulk Substrate Qusetion [Re: kid_alamo]
    #683795 -

Which tek are we talking about here? Can you post the link?

>adding of additional sterilized grain using the oven technique?

You don?t add any sterilized grain to your spawn, as far I would think.
What you do is add the spawn(=colonited grain) to the bulk substrate.


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Grow Mushrooms from Spores - PF-Tek for Simple Minds

Edited by Anno (06/17/02 11:19 AM)

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Re: Bulk Substrate Qusetion [Re: Anno]
    #685520 -

The method is called Bulk Substrate Growing and I originally found it on this website under the Section entitled Grow/Find. I just went there and the article is no longer listed. It is a method basically using rye, water, and fresh shrooms or colonized cakes.

"What you do is add the spawn(=colonited grain) to the bulk substrate." From this statement you made what do you define as bulk substrate? Is it sterilized rye/water? And if so, it is my impression that this is what you add to the colonized jar in quantity. Correct?

I think what you are calling bulk substrate I am calling sterilized substrate (pressurized quart jars of rye/water).

If I am wrong please clarify things for me. If I am not wrong, I defer back to my original question which is what does this setup look like.

Thanks


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Do not weep; do not wax indignant. Understand. --Baruch Spinoza

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Re: Bulk Substrate Qusetion [Re: kid_alamo]
    #685567 -

>what do you define as bulk substrate?

Straw, dung.


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Grow Mushrooms from Spores - PF-Tek for Simple Minds

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Re: Bulk Substrate Qusetion [Re: Anno]
    #685969 -

Neither. I was under the assumption that bulk substrate is the end result of combining one completely colonized spawn jar made of rye/water/mushroom with, for example, four more fresh sterilized rye/water jars. Then allowing this combination to become colonized and repeating the process over and over again until you have created enough "bulk substrate" which then gets moved to deep cake pans where casing is added and so forth.

Is my definition incorrect?


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Do not weep; do not wax indignant. Understand. --Baruch Spinoza

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Re: Bulk Substrate Qusetion [Re: kid_alamo]
    #686193 -

yes, is incorrect. as anno said, a bulk substrate is dung, straw, or a fermented mix of the 2 called compost.

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Re: Bulk Substrate Qusetion [Re: kid_alamo]
    #687004 -

ka, you might want to take a look at the bulk substrate section in the shroomery FAQ here
grain `can' be used as bulk substrate but since it has to be sterilised, not just pasturized, and is signifigantly more prone to contams (probably other reasons unknown to me aswell) it's generaly not used. hope this was helpfull, good luck.


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If you detect a scent reminiscent of Anethole (anise) please preserve a specimen or two for study and please PM me.

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Mushrooms, Mycology and Psychedelics > Advanced Mycology
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