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Innernaut
MycologicalNetworkTechnician

Registered: 09/16/03
Posts: 245
Last seen: 9 months, 20 days
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Tyvek filters
#3268871 - 10/23/04 05:52 PM (19 years, 3 months ago) |
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Okay... 60qt millet jars were inoculated via karo culture. Upon shaking them I noticed something that raised my eyebrows... I first put on the disc part of the lid, then the tyvek over top of it, then screwed the band on. Once the jars were adequately shaken I noticed that some millet has found it's way between the tyvek and the disc lid and I cannot get it out without removing the lids. Is this a problem? Will it make the jars more susceptible to contamination?
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krazycure
Coastal TripTech

Registered: 08/16/04
Posts: 90
Loc: The edge of reason
Last seen: 17 years, 7 months
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Re: Tyvek filters [Re: Innernaut]
#3269045 - 10/23/04 06:51 PM (19 years, 3 months ago) |
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Tyvek won't let any contams in, but, it will wick water (slowly): so if the millet soaks the tyvek in nutritous water, contams might start to colonize the tyvek. Still, it would have to get past the lid as well. So, just make sure to keep a foil lid over it, and wipe the top of the tyvek with a paper towel if water ever starts to bead up on top of it.
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Prisoner#1
Even Dumber ThanAdvertized!


Registered: 01/22/03
Posts: 193,665
Loc: Pvt. Pubfag NutSuck
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Re: Tyvek filters [Re: krazycure]
#3269070 - 10/23/04 06:57 PM (19 years, 3 months ago) |
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tyvek doesnt actualy wick anything, its a plastic, HDPE, it will allow water vapor to escape but tyvek is actualy a 2 sided prouduct, its use in home construction is as a vapor barrier to prevent moisture from entering, if the slick side is placed towards the inside of the jar the rate the moisture escapes should be lower
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discman1
journeyman
Registered: 08/24/04
Posts: 962
Last seen: 19 years, 1 month
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Re: Tyvek filters [Re: krazycure]
#3269089 - 10/23/04 07:05 PM (19 years, 3 months ago) |
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Paper towels and the like are a haven for contams.
Use a paper towel, but wetted with alcohol.
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george castanza
Lord Of The Idiots!

Registered: 10/21/02
Posts: 8,726
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Quote:
Prisoner#1 said: tyvek doesnt actualy wick anything, its a plastic, HDPE, it will allow water vapor to escape but tyvek is actualy a 2 sided prouduct, its use in home construction is as a vapor barrier to prevent moisture from entering, if the slick side is placed towards the inside of the jar the rate the moisture escapes should be lower
thanks P1 damn good info
-------------------- KRAMER CAKES


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Prisoner#1
Even Dumber ThanAdvertized!


Registered: 01/22/03
Posts: 193,665
Loc: Pvt. Pubfag NutSuck
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another way to determine the 'slick' side it to use packaginf tape... the tape will pull cleanly from the slick side and will stick and pull fibers from teh other.
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scatmanrav
Brainy Smurf

Registered: 05/08/04
Posts: 11,483
Loc:
Last seen: 11 years, 1 month
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The dry grains do not matter..they wont do anything.
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indigo758
psyentist

Registered: 07/01/03
Posts: 114
Last seen: 17 years, 4 months
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i'm using PF jars of OI and they're taking forever, i'm thinking the tyvek will help them out when i do the next batch. 1. so which way should the tyvek filters be facing generally speaking? 2. can i just use cut pieces of it instead of the metal lid, and put the ring on on top of it?
-------------------- please allow me to introduce myself, i'm a man of wealth and taste...
Edited by indigo758 (10/25/04 12:42 AM)
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derx
who run it


Registered: 05/29/03
Posts: 2,459
Loc: dx/dt
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Re: Tyvek filters [Re: indigo758]
#3273947 - 10/25/04 01:05 AM (19 years, 3 months ago) |
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1. doesn't matter 2. yes
-------------------- better living through chemistry OVERGROW the government!! it's not a war on drugs, it's a war on personal freedom, ok, thats what it is.
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scatmanrav
Brainy Smurf

Registered: 05/08/04
Posts: 11,483
Loc:
Last seen: 11 years, 1 month
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Re: Tyvek filters [Re: derx]
#3274380 - 10/25/04 05:08 AM (19 years, 3 months ago) |
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OI's were fast for me! I'm doing grain with tyvek though. Good luck!
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