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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation > Mushroom Cultivation Archive > Substrates
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Re: Homemade filter discs test [Re: World Spirit]
    #544501 -

Exactly. It can?t be blown through. But you can suck some air in, try it. This should be the right stuff.


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Grow Mushrooms from Spores - PF-Tek for Simple Minds

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Re: Homemade filter discs test [Re: Anno]
    #545710 -

Deleted by admin

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Re: Homemade filter discs test and free samples! [Re: Anno]
    #551214 -

I got my free sample from dupont today. There are 2 8x10 sheets. It is enough for about 12 jars. I can't wait. It arrived in about a week. Thanks dupont!
Peace
Flatal

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Re: Homemade filter discs test [Re: World Spirit]
    #558189 -

Any results yet?

I?m using Tyvek now on regular basis, and it works great!


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Grow Mushrooms from Spores - PF-Tek for Simple Minds

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Re: Homemade filter discs test [Re: Anno]
    #572886 -

Any results?


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Grow Mushrooms from Spores - PF-Tek for Simple Minds

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Re: Homemade filter discs test [Re: Anno]
    #602021 -

yes anno i got some Tyvek skuares from a trade, i duuno but it looks like he got it from the mail, it has stamps on it, ill give it a try and let you know
i got some money for pc and jars so ill go out today
thanks anno
pm me

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Re: Homemade filter discs test and free samples! [Re: Anno]
    #602063 -

here is a couple other places you can recieve free samples, ummmmm with constructive requesting.
http://www.beaconconverters.com/pages/samplepg.html

http://www.tyvekenvelopes.com/literature.html

couple more
http://www.tyvekcomfortzone.com/sample.html

http://www.ema1.com/samples.htm


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ISO: Orissa, Malabar, z strain

Edited by ChromeCrow (04/08/02 10:16 AM)

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Re: Homemade filter discs test and free samples! [Re: ChromeCrow]
    #610232 -

I do not know if someone has posted this but priority mail envelopes the large ones are made of tvek


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Dr.Bluethumbs
RAFFLE to help out GS and his 7 month old daughter

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Re: Homemade filter discs test and free samples! [Re: dimitri211]
    #659998 -

Any new results or findings?
I?ve been using tyvek at regular basis since then and I must say I?m very pleased with the results.


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Grow Mushrooms from Spores - PF-Tek for Simple Minds

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Re: Homemade filter discs test [Re: Anno]
    #660529 -

Unlimited free Tyvek:

http://supplies.usps.gov/disclaimer.htm

EP 14

This 12 1/2" x 15 1/2" Tyvek envelope can handle large stacks of documents, books, small boxes, clothes and more.
Ordering quantity: multiples of 10


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https://www.gofundme.com/f/support-for-renee-goods-wife-and-son

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Re: Homemade filter discs test and free samples! [Re: Anno]
    #660600 -

Anno, do you re-use the tyvek?
I have tried tyvek envelopes, the only stuff I can find (unless I buy a 100m roll).
The envelopes were hard to find. Anyway, I had a few jars with bacterial contam. I soaked the tyvek in a water/bleach solution, and re-used it with good results.
The one thing I have found with the paper tyvek is, if you hold it up to the light, where its been on the jar it seems thinner. I don't know if this is where the jar has reached temperatures more than the tyvek can handle, so beware when re-using!
It works well, no complaints here

Good luck



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"We are the one's we have been waiting for" - Hopi saying

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not so good for me [Re: Baby_Hitler]
    #660952 -

I thought I posted a reply to this thread earlier before I left work, but it's not here. hmm.

I had previously ordered that Tyvek Homewrap demo kit. I think that stuff doesn't allow enough air exchange. My testing left me with some gooey junk that had originally been brf and finch seed. I chucked it all. The documentation that came with it talks about how good the stuff is at keeping the cold air out of your house, so I think it's not inteded to provide air exchange.

I just picked up some fed ex mailing envelopes which appear to be the same type of material as the USPS envelopes. I'll let you know my results of this test. Going to use EQ on BRF (no finch seed).

appreciatively,

di11rod

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Re: Homemade filter discs test and free samples! [Re: DreaMaTrix]
    #661284 -

>Anno, do you re-use the tyvek?

Yes. But As you said, it wears out after several uses.
I?d say I use it like 5 times, then I replace it.


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Grow Mushrooms from Spores - PF-Tek for Simple Minds

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Re: not so good for me [Re: di11rod]
    #661290 -

>My testing left me with some gooey junk that had originally been brf and finch seed

What was your sterilisation method?


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Grow Mushrooms from Spores - PF-Tek for Simple Minds

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Re: Homemade filter discs test and free samples! [Re: Anno]
    #661993 -

Have any of you ever tried good ol' 97cent coffee filters from your local grocery store? I'm sure they're not as good as filter discs that I'm seeing a lot of or tyvek but they promote air exchange and contam filtration. In fact, I think I got the idea of using coffee filters from the shroomery a few years back. *shrug*


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--MOOHAHA.

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Re: not so good for me [Re: Anno]
    #662431 -

I had used my PC and heated the jars for about an hour.

Do you think contams were responsible?

Appreciatively,

di11rod

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Re: not so good for me [Re: di11rod]
    #662595 -

>Do you think contams were responsible?

Well, contaminanants were responsible for sure.
The question is, where did they come from.
Were they in grain and survived the sterilisation? Di they came in with inoculant or air? Or did the Tyvek filters leak?

I don?t know.

In my experience with tyvek filters I?ve only had positive experience so far, tested on around 50 jars.


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Grow Mushrooms from Spores - PF-Tek for Simple Minds

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Re: Homemade filter discs test and free samples! [Re: Anno]
    #690470 -

Hey Anno,
I'm thinkin' of using Tyvek with my next experiment. I'm planning on using a varient of the PF tek. If I were to use the Ramsys' (sp?) seal with the Tyvek, would I put the Tyvek on the top or the bottom of the lid? If I put it on the top I'd have to tape the holes right?

thanks

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Re: Homemade filter discs test and free samples! [Re: DrD525]
    #690565 -

There is not really a need to use tyvek when you do PF cakes. With PF cakes the classic vermiculite seal(not the ramsey seal) has proven best, IMO.


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Grow Mushrooms from Spores - PF-Tek for Simple Minds

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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation > Mushroom Cultivation Archive > Substrates
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