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Amazon Shop: ½ Pint Jars, Pressure Cooker, Rye Grain, Wild Bird Seed

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OfflinetheBRINK
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will 10psi be enough?
    #4546611 - 08/17/05 02:25 PM (12 years, 1 month ago)

a friend just bought a pressure cooker but it only went to 10 psi... will this be enough if he leaves it cooking for longer than you would at 15psi?


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Offlinegreatlakes
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Re: will 10psi be enough? [Re: theBRINK]
    #4546625 - 08/17/05 02:30 PM (12 years, 1 month ago)

from what i remember about 10psi PC is you have to leave the jars in there longer then if it were at 15psi,but if its a new PC i would recommend taking it back to get a 15psi PC,but I'm new at all this so listen to what others will tell you


Edited by greatlakes (08/17/05 02:30 PM)


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OfflinetheBRINK
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Re: will 10psi be enough? [Re: greatlakes]
    #4546631 - 08/17/05 02:32 PM (12 years, 1 month ago)

well we've already used the pc and the other ones were out of his price range at the moment... i jus need to know if this one will work for the time being?


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Offlinegreatlakes
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Re: will 10psi be enough? [Re: theBRINK]
    #4546637 - 08/17/05 02:34 PM (12 years, 1 month ago)

This is what roadkill says about it
You can keep the 10 psi pressure cooker.
You just have to do it longer...instead of 20 minutes....an hour or more is good.

If you can return it.....you might consider doing that....and get a better one.

I leave my jars in my pressure cooker for an hour after cooking substrate.


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Offlinegreatlakes
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Re: will 10psi be enough? [Re: greatlakes]
    #4546642 - 08/17/05 02:35 PM (12 years, 1 month ago)

mrdasani said this about it
I have a 10psi as well. It will work , cook at 1 hour time, medium heat, not low heat. Make sure you hear the steam coming out really loud, boil sound too. Then you can start timing. It is okay to cool of the pot with cold water and take out the jars imidiately as well.


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OfflinetheBRINK
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Re: will 10psi be enough? [Re: greatlakes]
    #4546651 - 08/17/05 02:37 PM (12 years, 1 month ago)

that's about what i did but i let it cook for 1.5 hours and took them out after the pressure was released


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Offlinegreatlakes
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Re: will 10psi be enough? [Re: theBRINK]
    #4546654 - 08/17/05 02:38 PM (12 years, 1 month ago)

from what i am reading you should be ok,,,,you are doing the PF cakes?


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OfflinetheBRINK
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Re: will 10psi be enough? [Re: greatlakes]
    #4546660 - 08/17/05 02:40 PM (12 years, 1 month ago)

nah... i'm doin wbs


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Offlinegreatlakes
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Re: will 10psi be enough? [Re: theBRINK]
    #4546667 - 08/17/05 02:42 PM (12 years, 1 month ago)

eee,I see I am doing WBS myself have not lost one to comtams yet,,,well i did a G2G with 9 jars and lost 3 of them doing that,,,,but i use a 15psi PC


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OfflinetheBRINK
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Re: will 10psi be enough? [Re: greatlakes]
    #4546673 - 08/17/05 02:44 PM (12 years, 1 month ago)

it's been 3 days and no signs of contams or myc growth yet... so i'm keeping my fingers crossed


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Offlinegreatlakes
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Re: will 10psi be enough? [Re: greatlakes]
    #4546682 - 08/17/05 02:46 PM (12 years, 1 month ago)

well from what i have read so far is that you should be ok by just pcing longer,,,,,well Good Luck


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Offlinegreatlakes
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Re: will 10psi be enough? [Re: greatlakes]
    #4546687 - 08/17/05 02:48 PM (12 years, 1 month ago)

mine were all done within 11 days,After looking at my note i had growth in three days in all my jars,Thats when i shook them up lightly to get the grain moved around in the jars


Edited by greatlakes (08/17/05 02:48 PM)


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Offlinegreatlakes
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Re: will 10psi be enough? [Re: greatlakes]
    #4546691 - 08/17/05 02:49 PM (12 years, 1 month ago)

what is your temps?


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OfflinetheBRINK
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Re: will 10psi be enough? [Re: greatlakes]
    #4546696 - 08/17/05 02:52 PM (12 years, 1 month ago)

i'm not sure on the temps.. as they are a friends project, not mine... if the temp is to low, say room temp (mid-upper 70s), will this slow down the growth considerably?


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Offlinegreatlakes
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Re: will 10psi be enough? [Re: theBRINK]
    #4546758 - 08/17/05 03:09 PM (12 years, 1 month ago)

yes it will,,,should be around 85 thats the temps i used


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Re: will 10psi be enough? [Re: greatlakes]
    #4546768 - 08/17/05 03:11 PM (12 years, 1 month ago)

i just talked to him to let him know to increase the temps... maybe this is why there is no signs of growth yet... now it is in the mid 80s... good to go i hope. thanks a lot lakes


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Offlinegreatlakes
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Re: will 10psi be enough? [Re: theBRINK]
    #4546774 - 08/17/05 03:12 PM (12 years, 1 month ago)

no prob,,,GL


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OfflineRogerRabbitM
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Re: will 10psi be enough? [Re: greatlakes]
    #4547263 - 08/17/05 05:40 PM (12 years, 1 month ago)

If you simply injected spores into wbs, three days is too soon to see visible growth. Upper 70's is plenty warm. Anything above 80 will lead to a higher contamination rate. If your air temp is 85, the temp inside your jars will be a few degrees warmer, and growth rate falls off very rapidly above 86F. I would recommend you consider 80 to be the maximum air temperature for use with grains. Personally, I keep quart jars of rye grain on a bookshelf at normal, air conditioned room temperature and they colonize in 2 weeks or so. The increased rate of contaminants above room temperature is not worth the extra day or two of faster colonization you will get. Hope this helps.
RR


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Offlinegreatlakes
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Re: will 10psi be enough? [Re: RogerRabbit]
    #4547533 - 08/17/05 06:52 PM (12 years, 1 month ago)

thats cool roger and i dont second guess you at all since your a vet at this and i am a newbie but lets say i keep them in my AC room which stays around 75 would i then have to drop my temps to 65 to fruit them?if so how in the heck could i get the temps down that low when my ac runs 24/7 now?


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Re: will 10psi be enough? [Re: greatlakes]
    #4548098 - 08/17/05 08:45 PM (12 years, 1 month ago)

i'd like to know the answer to that too rodger


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Amazon Shop: ½ Pint Jars, Pressure Cooker, Rye Grain, Wild Bird Seed

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