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Amazon Shop: ½ Pint Jars, Air Pump, Brown Rice Flour

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InvisibleLoui
Clovis Man from12,000 BP

Registered: 07/10/03
Posts: 22
Loc: Neither here nor there
Does TYVEK allow enough air flow?
    #1948553 - 09/24/03 06:04 PM (14 years, 6 months ago)

Can someone that has used TYVEK envelopes please tell me if they feel that co2 escapes through it sufficiently? I bought a few envelopes and I cant blow through them so I was wondering. Thanks.


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OfflineFungi_x
Original Shroomer
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Registered: 08/17/03
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Re: Does TYVEK allow enough air flow? [Re: Loui]
    #1948634 - 09/24/03 06:20 PM (14 years, 6 months ago)

You payed for TYVEK? If you life in the US you can get the shit for free.

And for the question, I do feel that co2 escapes through TYVEK sufficiently.


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OfflineDemiurge
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Registered: 04/11/03
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Re: Does TYVEK allow enough air flow? [Re: Fungi_x]
    #1948706 - 09/24/03 06:38 PM (14 years, 6 months ago)

Yes, almost too efficiently. You want VERY LITTLE gas exchange in colonizing jars. Most people think tyvek works best when restricted to a 1/4 hole in the lid, otherwise your substrate may dry out!


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Just another animal embeded in a technological coral reef extruded psychic objects...


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OfflineHigh_On_Magic
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Registered: 07/26/03
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Re: Does TYVEK allow enough air flow? [Re: Demiurge]
    #1950046 - 09/25/03 01:40 AM (14 years, 6 months ago)

ok, does it allow enuff aire escape for me to have the 1/4" holes in a lid with the tyvek on top of the lid to tighten securly and pc it like this? or does it not allow for enough air to pass, i always leave my jars cracked open slightly but id rather not just for lil extra parnoia sake when cooling


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InvisibleHertyar
The guy nextdoor

Registered: 09/12/03
Posts: 106
Re: Does TYVEK allow enough air flow? [Re: High_On_Magic]
    #1950099 - 09/25/03 02:13 AM (14 years, 6 months ago)

My friend also tried the "blow through the tyvec" test and found he could not. I told him don't worry Ive seen it on the shroomery! But we both have a slightly different question about the breathability of tyvec though. He has just won an ebay auction for a "profile 9500 duel air pump" which he will put in a plastic container with a good sized hole cut in the side and a tyvec layer taped over the hole to fashion a sort of air filter. Is there enough air flow through the tyvec so his pump doesn't burn out? Also,

Quote:

Demiurge said:
Most people think tyvek works best when restricted to a 1/4 hole in the lid, otherwise your substrate may dry out!




What do you mean, "1/4 hole"? is that 1 of the 4 holes in the lide are untaped and then a layer of tyvec is secured over top of the whole lid? (PF style BRF cakes)
Thanks!



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Doesn't have the patience to grow shrooms himself, but instead mooches off friend in exchange for research. :tongue:


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OfflineDSD
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Re: Does TYVEK allow enough air flow? [Re: Loui]
    #1950162 - 09/25/03 02:37 AM (14 years, 6 months ago)


the tyvek envelopes will work fine, but if you think you need more air you can try polyfil. personally i like the tyvek, its a little less hassle but either will work. good luck !


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Amazon Shop: ½ Pint Jars, Air Pump, Brown Rice Flour

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