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DrCobalt
Stranger


Registered: 09/16/20
Posts: 13
Loc: NYC
Last seen: 2 months, 14 days
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Electric Pressure Cooker settings
#27090006 - 12/15/20 07:51 AM (3 years, 1 month ago) |
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It seems that the general consensus is that electric pressure cookers are not advisable for sterilization of grain jars. I believe that this is mainly due to the fact that they don't really go to 15 psi. Also, they tend to be small. Some electric pressure cookers do have specs that say they go to 15psi max, but actually operate at 10-12 psi. Cooking experts suggest that if you have a recipe that requires you 15psi when using an electric pressure cooker, you can just increase the cook time by 10% - 20%.
My question is can grain jars be sterilized in an electric pressure cooker if the time is just increased or is there something that 15psi can do that, say, 11psi cannot with increased heat time?
-------------------- "Some people are afraid of new ideas... I'm afraid or the old ones." - John Cage
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Sankhara
Trump's lost child


Registered: 02/11/18
Posts: 546
Loc: Argentina
Last seen: 9 days, 8 hours
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Re: Electric Pressure Cooker settings [Re: DrCobalt]
#27090158 - 12/15/20 09:39 AM (3 years, 1 month ago) |
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Of course you can, im doing it right now. Mine reaches 10psi
I do 3 hours at high temperature for quart jars and 1.5 hours for no pour plates without a single contamination problem.
You could even sterilize at 0 psi for 18 hours. It just takes longer
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Tattersail



Registered: 04/11/18
Posts: 285
Last seen: 1 year, 11 months
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Re: Electric Pressure Cooker settings [Re: Sankhara]
#27090347 - 12/15/20 11:26 AM (3 years, 1 month ago) |
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My PC is only around 10psi and I run it for 3 hours for the pint jars I use (I can fit more in if I use pint jars rather than quart jars). If I were doung quarts I'd aim for 3.5hrs or maybe 4hrs if I thought the PC wouldn't boil dry. Maybe that's overkill, but better safe than sorry! Pasty plates I do for 45mins and haven't had a problem with that.
-------------------- LAGM2021 Trades We may lose or we may win, but we'll never be here again
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LCrow
Wanderer



Registered: 12/13/20
Posts: 102
Loc: Gloucestershire
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Re: Electric Pressure Cooker settings [Re: Tattersail]
#27116089 - 12/30/20 11:33 AM (3 years, 29 days ago) |
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Quote:
Tattersail said: My PC is only around 10psi and I run it for 3 hours for the pint jars I use (I can fit more in if I use pint jars rather than quart jars). If I were doung quarts I'd aim for 3.5hrs or maybe 4hrs if I thought the PC wouldn't boil dry. Maybe that's overkill, but better safe than sorry! Pasty plates I do for 45mins and haven't had a problem with that.
Hi Tattersail,
I have also just got myself an electric and thanks for confirming it is possible, but I was just wondering why the increase in time for a smaller jar?
My thanks in advance!
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Sankhara
Trump's lost child


Registered: 02/11/18
Posts: 546
Loc: Argentina
Last seen: 9 days, 8 hours
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Re: Electric Pressure Cooker settings [Re: LCrow]
#27116104 - 12/30/20 11:39 AM (3 years, 29 days ago) |
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A pint is half a quart.
Time increases with larger volume are ment to achieve proper sterilization
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Tattersail



Registered: 04/11/18
Posts: 285
Last seen: 1 year, 11 months
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Re: Electric Pressure Cooker settings [Re: LCrow]
#27116118 - 12/30/20 11:45 AM (3 years, 29 days ago) |
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Quote:
LCrow said:
Quote:
Tattersail said: My PC is only around 10psi and I run it for 3 hours for the pint jars I use (I can fit more in if I use pint jars rather than quart jars). If I were doung quarts I'd aim for 3.5hrs or maybe 4hrs if I thought the PC wouldn't boil dry. Maybe that's overkill, but better safe than sorry! Pasty plates I do for 45mins and haven't had a problem with that.
Hi Tattersail,
I have also just got myself an electric and thanks for confirming it is possible, but I was just wondering why the increase in time for a smaller jar?
My thanks in advance!
Pints (500ml ish) I do for 3 hours, quart jars (or 1000ml in my case) I would do longer (3.5 - 4hrs but I haven't really tested that). I only ran the big jars once because they don't fit so well in my PC so I cant really say what's best for them!
The other week I only PCd pint jars for around 2.5hrs as I didn't time them properly, and they've been fine so far. It might be a bit of trial and error with your electric cooker but certainly it's possible to sterilse grains at 10psi if thats what you have.
-------------------- LAGM2021 Trades We may lose or we may win, but we'll never be here again
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LCrow
Wanderer



Registered: 12/13/20
Posts: 102
Loc: Gloucestershire
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Re: Electric Pressure Cooker settings [Re: Tattersail]
#27116204 - 12/30/20 12:34 PM (3 years, 29 days ago) |
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Quote:
Tattersail said:
Quote:
LCrow said:
Quote:
Tattersail said: My PC is only around 10psi and I run it for 3 hours for the pint jars I use (I can fit more in if I use pint jars rather than quart jars). If I were doung quarts I'd aim for 3.5hrs or maybe 4hrs if I thought the PC wouldn't boil dry. Maybe that's overkill, but better safe than sorry! Pasty plates I do for 45mins and haven't had a problem with that.
Hi Tattersail,
I have also just got myself an electric and thanks for confirming it is possible, but I was just wondering why the increase in time for a smaller jar?
My thanks in advance!
Pints (500ml ish) I do for 3 hours, quart jars (or 1000ml in my case) I would do longer (3.5 - 4hrs but I haven't really tested that). I only ran the big jars once because they don't fit so well in my PC so I cant really say what's best for them!
The other week I only PCd pint jars for around 2.5hrs as I didn't time them properly, and they've been fine so far. It might be a bit of trial and error with your electric cooker but certainly it's possible to sterilse grains at 10psi if thats what you have.
Ah what a fool, I though a quart was a quarter of a pint now it makes sense, thank you!
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Tattersail



Registered: 04/11/18
Posts: 285
Last seen: 1 year, 11 months
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Re: Electric Pressure Cooker settings [Re: LCrow]
#27116892 - 12/30/20 06:45 PM (3 years, 29 days ago) |
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No worries, I had never heard of a "quart" before finding this site! Two pints is a quart, which is a quarter of a gallon. My jars are metric but I still call them pints and quarts, they're close enough!
-------------------- LAGM2021 Trades We may lose or we may win, but we'll never be here again
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