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InvisibleJuiceh
Dabbing All Day
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Registered: 09/25/12
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Re: Need help with grain spawn!!! [Re: Mad Season]
    #21987115 - 07/23/15 08:20 PM (8 years, 6 months ago)

FWIW, I've PCd grain bags for 90 minutes and had no issue. HOWEVER, this was done at 20psi. For peace of mind I usually run my bags for 120 mins at 20psi anyway.


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InvisibleMad Season
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Re: Need help with grain spawn!!! [Re: Juiceh]
    #21987140 - 07/23/15 08:25 PM (8 years, 6 months ago)

Yeah higher pressures reduces cook times. 5 extra psi doesn't sound like much, but that's a huge difference. Personally my pc at 15 psi seems to make pint and qt jars almost always completely sterile at 120 minutes. 90 minutes really doesn't cut it. Soon I'll be getting a better pc that'll be able to do higher pressures with different weights :laugh:. I'd probably run bags for 2.5-3 hours at 15 psi.


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Invisibleblindingleaf
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Re: Need help with grain spawn!!! [Re: Mad Season]
    #21987180 - 07/23/15 08:32 PM (8 years, 6 months ago)

my bad J, i read it like this

Quote:

grains. 5 micron




and saw the "." in front of the 5 :facepalm:  ur right:thumbup:


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Offlinecamwill
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Re: Need help with grain spawn!!! [Re: Mad Season]
    #21987273 - 07/23/15 08:56 PM (8 years, 6 months ago)

I was using the medium Spawn bags from outgrow. I'm not site how many microns the filter patches are but I'm officially out of Medium bags and will be using up my stock of Large bags. Any pointers?


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InvisibleJuiceh
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Re: Need help with grain spawn!!! [Re: camwill]
    #21989105 - 07/24/15 09:38 AM (8 years, 6 months ago)

Quote:

camwill said:
I was using the medium Spawn bags from outgrow. I'm not site how many microns the filter patches are but I'm officially out of Medium bags and will be using up my stock of Large bags. Any pointers?



Out-grow carries .2 micron or 5 micron. Did you order both kinds? If not, you can lookup previous orders on the out-grow page and see what you ordered.

I do large bags as I described previously. I highly recommend a large flowhood for working with big bags. I've G2G'd from one XL bag to other XL bags. But even with my 4'x2' hood it's a bit tricky. I been thinking of stacking another 4'x2' on top of it for some extra headroom. G2Ging a qt jar of colonized grains into a bag is much easier. I don't think I would try XL bags in a SAB, too big, I think manipulating such a large item in a SAB would stir up the air a bit too much, but I suppose it could be done with a qt jar if you are careful.


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How I make 15 lbs of casing in a 941. How I line 12 shoeboxes with 1 39gal bag. How I Deep Fry Cubes!
RogerRabbit said:You need a bigger pressure cooker for this hobby. RR


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Offlinecamwill
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Re: Need help with grain spawn!!! [Re: Juiceh]
    #22019289 - 07/30/15 10:47 AM (8 years, 5 months ago)

So, here are some updates!
Normally I'm incredibly anal and I just throw away stuff that I suspect to be contaminated. Lately I've been so busy with work I totally forgot that they were in the cupboard. This morning I had some free time and figured I'd pitch them today and to my surprise I find this!







So far all bags are at "relatively" the same level of colonization. I haven't handled them to inspect for any suspicious mold contams but everything I can see looks like healthy mycelium.

only took like 8 days :confused:

I also have a large bag with about 7'ish quarts of wbs in it that I pc'd for about 4 hours. I would have gone longer but I suspected I was running low on water and in fact melted the bottom bag to the sidewall. :mad2:

I spawned that with the tyvek sleeve method and went g2g from pint jars of colonized grain and it's running very nicely (pics to come!)


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