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Amazon Shop: ½ Pint Jars, Vermiculite

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OfflineBangoBojangles
shroomin bango
Registered: 11/14/03
Posts: 12
Last seen: 13 years, 4 months
Is gas exchange absolutely necessary?
    #2126602 - 11/21/03 02:44 AM (13 years, 6 months ago)

I am currently growing 8 jars using the pf tek method, all were growing without contams for the first 15 days after inoculation but some were progressing rather slow so I decided to give them some air to try to speed up growth. I wanted to test how well it would work ono one jar first before risking taking the tape of all my jars. The jar i removed the tape from got contaminated the very next day. From reading the online info it seems most people see giving the jars air as a necessary thing to do that doesn't risk much contamination, however, it didn't seem to work to well on the one jar i tried. I have a dry vermiculite layer which should have stopped contams but didn't work too well. Is there anything else i could do to ensure sterility after I open the holes?


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InvisibleHanky
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Registered: 08/30/03
Posts: 56,993
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Re: Is gas exchange absolutely necessary? [Re: BangoBojangles]
    #2126614 - 11/21/03 02:51 AM (13 years, 6 months ago)

tape? never used the stuff.


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Offlinelittlejohn747
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Registered: 09/18/03
Posts: 462
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Re: Is gas exchange absolutely necessary? [Re: BangoBojangles]
    #2126616 - 11/21/03 02:53 AM (13 years, 6 months ago)

cover the holes with tyvek or a coffe filter in addition to your layer of dry verm. also how much of the cake was colonized when you opened the holes(give a percent)


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Invisiblefelonious
Stranger

Registered: 06/14/03
Posts: 17
Re: Is gas exchange absolutely necessary? [Re: littlejohn747]
    #2126688 - 11/21/03 04:42 AM (13 years, 6 months ago)

polyfill too


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InvisibleHefex78
Stranger
Registered: 05/12/03
Posts: 251
*DELETED* [Re: felonious]
    #2127500 - 11/21/03 03:22 PM (13 years, 6 months ago)

Post deleted. Reason for deletion: Confidential.


Edited by Wa7sum (10/03/07 11:02 AM)


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OfflineBangoBojangles
shroomin bango
Registered: 11/14/03
Posts: 12
Last seen: 13 years, 4 months
Re: Is gas exchange absolutely necessary? [Re: Hefex78]
    #2127549 - 11/21/03 03:42 PM (13 years, 6 months ago)

Probably only about 30% of the sides were colonized, I removed the tape on that one because that one was progressing the slowest.


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Offlinethisone
the one theydon't see

Registered: 11/06/02
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Re: Is gas exchange absolutely necessary? [Re: BangoBojangles]
    #2127554 - 11/21/03 03:45 PM (13 years, 6 months ago)

do the cakes look dry or wet?


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OfflineBangoBojangles
shroomin bango
Registered: 11/14/03
Posts: 12
Last seen: 13 years, 4 months
Re: Is gas exchange absolutely necessary? [Re: thisone]
    #2127571 - 11/21/03 03:54 PM (13 years, 6 months ago)

They are more on the wet side.


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InvisibleCloud9
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Registered: 07/03/03
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Re: Is gas exchange absolutely necessary? [Re: BangoBojangles]
    #2128448 - 11/21/03 11:59 PM (13 years, 6 months ago)

If using the dry verm layer then I wouldn't use the tape over the holes to promote gas exchange and allow more airflow.


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InvisibleMagashM
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Registered: 07/25/02
Posts: 5,875
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Re: Is gas exchange absolutely necessary? [Re: BangoBojangles]
    #2128456 - 11/22/03 12:03 AM (13 years, 6 months ago)

Don't forget one thing. The air you let in to make the myc grow faster makes anything in the jar grow faster. The contam may have been there and enjoyed the exchange as much as the myc.

I use tape till I see the myc start to grow. The reason I do is there is no moisture loss waiting for the myc to take hold. Once it's visiable the tape comes off.


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Amazon Shop: ½ Pint Jars, Vermiculite

Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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