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Amazon Shop: Autoclave, Coir, Paul Stamets, Peat, Vermiculite

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Offlineangelko
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Registered: 04/23/03
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Last seen: 12 years, 7 months
Extra water if sterilizing casing?
    #1573823 - 05/24/03 02:18 AM (15 years, 29 days ago)

Should extra water be added if pressure-cooking casing in autoclave bags? Thinking of both a 50/50 coir verm casing and a peat/lime casing. Is there some moisture loss during the pc process? If so, how much extra water should be added?

Thanks


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InvisibleJoshua
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Registered: 10/27/98
Posts: 5,389
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Re: Extra water if sterilizing casing? [Re: angelko]
    #1574092 - 05/24/03 06:07 AM (15 years, 29 days ago)

Should not be a problem.

Are you sealing the bag before or after or ever?

You can use paper clips on the folded up end of the bag.

Joshua


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Invisible40oz
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Re: Extra water if sterilizing casing? [Re: Joshua]
    #1574157 - 05/24/03 08:40 AM (15 years, 29 days ago)

casing material should be pasterized...not sterilized...


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Offlineangelko
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Registered: 04/23/03
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Re: Extra water if sterilizing casing? [Re: 40oz]
    #1574287 - 05/24/03 11:25 AM (15 years, 28 days ago)

The bag is only folded closed in the pc and something is put on top to hold it in place.

I haven?t been able to get a definitive answer on needing to pasteurize or sterilize a casing. Reading this link http://www.shroomery.org/index/par/23440 makes me think it may not make a difference so I though it wise to be on the safe side and sterilize.

May experiment and try pasteurizing one casing by just nuking it on high for 5 ? 10 minutes. Would this be sufficient to pasteurize it?


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Invisible40oz
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Re: Extra water if sterilizing casing? [Re: angelko]
    #1574766 - 05/24/03 05:31 PM (15 years, 28 days ago)


as taken from TMC pg. 129-130:
'the slection of specific microbial groups by mycelial metabolites is an excellent example of symbiosis. these same bacteria give the casing a natural resisitance to cometitors. In this respect, a sterilized casing lacks beneficial microorganisms and has little resistance to cantaminants'
'pasturation, a process whereby the moistened casing soil is
thoroughly steamed for 2 hours @160*F. An alternative method is to bake the moist soil in an oven for two hours at 160*F.


so theres your 'definative' answer on the subject.
as to the link you supplied...
Quote:


A pasteurization can be achieved by filling the moist material into a suitable microwave container with a cover and microwaved for 10 minutes at high and stirring it a few times during the microwaving to achieve an uniform heat distribution.



i object to this statment...
just because using a microwave worked for the user who created that tek,
doesnt mean its a sound way to pasterize...
...it worked for him...but it might not work for you is all im sayin.
goodluck in your experiments anyhow :smile:



 


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OfflineFunkyBudah
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Registered: 04/25/03
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Re: Extra water if sterilizing casing? [Re: 40oz]
    #1575803 - 05/25/03 03:56 AM (15 years, 28 days ago)

Quote:

casing material should be pasterized...not sterilized...




I'm just a newB, but afoaf has done 2 casings, and he sterilized it for 45 min at 15 psi and after casing, it just took off. Colonized like crazy.


-FB


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Invisible40oz
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Re: Extra water if sterilizing casing? [Re: FunkyBudah]
    #1575862 - 05/25/03 05:09 AM (15 years, 28 days ago)

Quote:

...it worked for him...but it might not work for you is all im sayin.



:wink:


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tiny_rabid_birds said:
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Offlineangelko
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Registered: 04/23/03
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Re: Extra water if sterilizing casing? [Re: 40oz]
    #1578122 - 05/26/03 12:46 PM (15 years, 26 days ago)

Ok, I?m convinced. I will try pasteurization.

Thanks for the info fortyonces2freedom


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OfflineAnnoA
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Re: Extra water if sterilizing casing? [Re: 40oz]
    #1578144 - 05/26/03 12:53 PM (15 years, 26 days ago)

>just because using a microwave worked for the user who created that tek,
>doesnt mean its a sound way to pasterize...

* pasteurization
* P A S T E U R I Z A T I O N

It wasn?t "the user" who created the tek, but the info was compiled from many posts in this forum.


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