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North Spore Shop: Bulk Substrate, Injection Grain Bag, North Spore Mushroom Grow Kits & Cultivation Supplies

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Offlineeleven34
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Registered: 08/26/07
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Loc: Missouri
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Will 10 psi PC work for sterilizing WBS?
    #7462692 - 09/28/07 12:25 AM (16 years, 4 months ago)

Will 10 psi PC work for sterilizing WBS?


I just bought it brand new and it never said the pressure til I opened it.

It's only 10 I figured it might work if I PC for 1.5 hours.

I have asked on here before but only got 2 responses.

Any help is appreciated.


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Offlinemikeytro
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Registered: 01/28/07
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Re: Will 10 psi PC work for sterilizing WBS? [Re: eleven34]
    #7462700 - 09/28/07 12:31 AM (16 years, 4 months ago)

hmm not sure but would lean towards yes
I have a presto that doesnt have anything to show psi and it works fine


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"Reality is merely an illusion, albeit a very persistent one." - Einstein


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Offlineeleven34
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Re: Will 10 psi PC work for sterilizing WBS? [Re: mikeytro]
    #7462701 - 09/28/07 12:32 AM (16 years, 4 months ago)

thanks


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Invisibledutchmushroom
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Re: Will 10 psi PC work for sterilizing WBS? [Re: eleven34]
    #7463131 - 09/28/07 05:17 AM (16 years, 4 months ago)

actually you should pc grains for 90 mins at 15psi, at 10 i would go 2 hours, you shouldint have an problems


peace out Dm


--------------------
"Comes a time when the blind man takes your hand says: don't you see? Gotta make it some how, on the dreams you still believe, Don't give it up, you've got an empty cup, only love can fill, only love can fill" < Grateful Dead!

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Offlinemilkman
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Re: Will 10 psi PC work for sterilizing WBS? [Re: dutchmushroom]
    #7463141 - 09/28/07 05:28 AM (16 years, 4 months ago)

i pced em for about 45 minutes and used tap water but when i went to inoculate i was so sterile i must of looked stupid doin what i did ha but anyways i also let the pressure out a little early and my mycelium is growing very nicley after 4 days


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Invisiblesimplemachine
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Registered: 09/14/03
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Re: Will 10 psi PC work for sterilizing WBS? [Re: dutchmushroom]
    #7463437 - 09/28/07 08:37 AM (16 years, 4 months ago)

Quote:

actually you should pc grains for 90 mins at 15psi,




Really? I though 60 minutes at 15 psi was standard. That what I've always done and read in the FAQs.

My small PC only goes up the 10 psi, and 60 minutes in IT is enough to sterilize wbs quarts.


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Offlinetight
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Re: Will 10 psi PC work for sterilizing WBS? [Re: simplemachine]
    #7463590 - 09/28/07 09:50 AM (16 years, 4 months ago)

Not a hundred percent sure on this, but sterilization is a mixture of temperature and length. If you heat it up to 5k degrees you only need to run it for one second and if you only heat it up to 250...you get the idea. You are most likely going to have a sterile jar after having your stuff in the pressure cooker (past boiling point) for like 10-15 minutes, anything longer is just to ensure so all that work you did on your substrate doesn't go to waste.


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North Spore Shop: Bulk Substrate, Injection Grain Bag, North Spore Mushroom Grow Kits & Cultivation Supplies


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