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OfflineYacub
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Spent brewing grains as substrate ?
    #11316798 - 10/25/09 07:22 AM (8 years, 1 month ago)

I've recently gotten started in growing mushrooms. I'm currently using the PF tek, but studying the more advanced techniques. Since I'm a home brewer, I have plenty of spent brewing grain to dispose of after each batch of beer. Does anyone have any experience using this as a substrate ? Would the fact that the sugars have been leeched out the grains make them unsuitable ? It would be perfect for me if this worked out well since I can get double use out of my barley.


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Invisibletruskool
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Re: Spent brewing grains as substrate ? [Re: Yacub]
    #11316824 - 10/25/09 07:38 AM (8 years, 1 month ago)

I don't know if this will work for sure, but I can see it working


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Re: Spent brewing grains as substrate ? [Re: truskool]
    #11316878 - 10/25/09 08:09 AM (8 years, 1 month ago)

Spent grains are spent.


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Re: Spent brewing grains as substrate ? [Re: Doc_T]
    #11316887 - 10/25/09 08:15 AM (8 years, 1 month ago)

o shit for real?  that is really too bad.  sorry for the misinfo


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Re: Spent brewing grains as substrate ? [Re: truskool]
    #11316898 - 10/25/09 08:22 AM (8 years, 1 month ago)

Might be a useful additive to bulk substrate, if prepared properly. Might not.


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Re: Spent brewing grains as substrate ? [Re: Doc_T]
    #11316943 - 10/25/09 08:54 AM (8 years, 1 month ago)

HMMMM ive done some ghetto experimenting and plan on making some shroom absinthe so I should have some spent brewed up shit to try with


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OfflineWildRover
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Re: Spent brewing grains as substrate ? [Re: truskool]
    #11317067 - 10/25/09 10:04 AM (8 years, 1 month ago)

I brew myself and have thought about this a little. Although the carbohydrates have been removed from the barley, the husks could possibly be useful as an additive to increase pore space, if the moisture content was right. I would probably dry them, and add a small amount to spawn or bulk substrate. I would probably also pressure cook them, since brewing won't get your temps high enough to pasteurize (unless you do a super-long mashout).

Someone else with more experience can chime in on how useful barley husks would be to a growing mushroom, but I think you'd be better off composting spent grains.


Edited by WildRover (10/25/09 10:06 AM)


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OfflineBeer
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Re: Spent brewing grains as substrate ? [Re: Yacub]
    #18763839 - 08/27/13 03:00 PM (4 years, 3 months ago)

Il try to break my habit of opening old threads...
But after a portobello and Mycenae and inkcap test, yes.
Yes spent brewing grain works. No pasturizing, I just threw a print in and let it work.
Notes: it takes FOREVER to colonize, but it will fruit quick.
Also, the grain will dry out very quickly.
Furthermore, I've done this with 3 species, and cubes nor any actives were not what I tested this with
But considering the variety that all fruited quite handsomely, I'd say that spent grain would be good for a bulk sub if mixed 50/50 with verm. But not as a good as rye or popcorn to start it off with


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Re: Spent brewing grains as substrate ? [Re: Beer]
    #18764016 - 08/27/13 03:47 PM (4 years, 3 months ago)

There's nothing wrong with bumping an old post as long as your post is adding something to the conversation, which it did. :thumbup:


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Offlinellama_police
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Re: Spent brewing grains as substrate ? [Re: FooMan]
    #18764190 - 08/27/13 04:28 PM (4 years, 3 months ago)

:sunspots:


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