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Offlinejamisoncrzy
mycogasm
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Registered: 09/14/10
Posts: 244
Last seen: 8 years, 11 months
Question about PF jars.
    #14752738 - 07/11/11 06:01 PM (13 years, 6 months ago)

Well I have 2 layers of tyvek under the lid and foil on top and of course a layer of verm. I only nocced 2 holes instead of 4 to reduce chances of contams. So far they are doing great just going a little slower than they would with 4 nocced holes but my concern is them be able to breathe.

Am I ok or does anyone recommend something else to allow better air/gas exchange?


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InvisibleEvilMushroom666
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Registered: 11/18/09
Posts: 10,289
Loc: Canada Flag
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Re: Question about PF jars. [Re: jamisoncrzy]
    #14752781 - 07/11/11 06:09 PM (13 years, 6 months ago)

I recommend following a proper tek.

A proper PF jar should have your BRF substrate mixture, a dry verm barrier
and then tinfoil ontop to stop water from dripping into the jars while
pressure cooking or steaming. Tyvek is not needed under the jar, all four
holes should be inoculated with 1/4cc of spore solution (1cc per jar).
After inoculating the tinfoil is removed and the jars are left alone at
room temperature to colonize. RR suggests using micropore tape over the
holes before sterilizing, I personally have never used micropore tape
on BRF jars and have been fine.

If you use proper sterile procedure (Glove box, flame sterilizing your needle
between jars, etc) you are not very likely to get contaminates.

Check out RR's Lets Grow Mushrooms BRF TEK series for the PROPER way to
prepare BRF cakes.

http://www.mushroomvideos.com/BRF-Pf-Tek

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Offlinejamisoncrzy
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Registered: 09/14/10
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Re: Question about PF jars. [Re: EvilMushroom666]
    #14752833 - 07/11/11 06:17 PM (13 years, 6 months ago)

Yeah I have followed RRs tek my first time, this is my second and I decided to mix in my own ideas with it this time. Using the Tyvek I discovered is basically pointless, at with jars anyway. I also used rye flour instead of BRF this time because I read that the myc likes the rye a little more. I used 1cc per jar still just only used 2 holes instead of 4. I dont have any micropore tape but they should still be fine if I remove the foil right?

And should I poke little holes where the 4th holes in the lids are? Because I have all 4 holes in the lids but only poked through the tyvek barrier to noc using only 2 holes. So all 4 holes are there but the tyvek covers 2.


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InvisibleEvilMushroom666
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Re: Question about PF jars. [Re: jamisoncrzy]
    #14752852 - 07/11/11 06:20 PM (13 years, 6 months ago)

Your verm barrior acts as a filter from contaminates, so yes the tyvek
is pointless and may cause GE problems seeing as you said you used 2
layers of it. You should always remove the foil after inoculating your
cakes.

I would leave the cakes alone and not start poking holes into the lids.

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Offlinejamisoncrzy
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Registered: 09/14/10
Posts: 244
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Re: Question about PF jars. [Re: EvilMushroom666]
    #14752877 - 07/11/11 06:25 PM (13 years, 6 months ago)

The holes are already in the lids, theres 4 holes. But the tyvek under the lid is the only barrier separating it from the lid to the verm on top of the cakes.

And so should I remove the foil then?


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InvisibleDeepSpace9
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Registered: 05/24/11
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Re: Question about PF jars. [Re: jamisoncrzy]
    #14752887 - 07/11/11 06:28 PM (13 years, 6 months ago)

The only thing the foil is for is to keep water out of your jars when in the PC. That's it.

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InvisibleEvilMushroom666
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Re: Question about PF jars. [Re: DeepSpace9]
    #14752977 - 07/11/11 06:45 PM (13 years, 6 months ago)

Quote:

DeepSpace9 said:
The only thing the foil is for is to keep water out of your jars when in the PC. That's it.


:whathesaid:

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Offlinejamisoncrzy
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Registered: 09/14/10
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Re: Question about PF jars. [Re: EvilMushroom666]
    #14753009 - 07/11/11 06:53 PM (13 years, 6 months ago)

Ok. Thanks guys!


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