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jerseyian
Friend


Registered: 10/19/13
Posts: 1,560
Last seen: 6 years, 10 months
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how long should i p c grains
#23393341 - 06/29/16 07:56 AM (7 years, 6 months ago) |
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Hey there. How long should i pc grain s....
-------------------- YEP I AM TREE HUGGING HIPPIE Have... several different prints. Want to trade any ethnobotanical seeds? I have lots.
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Grey
⇜ ✯ ⇝



Registered: 11/06/14
Posts: 6,223
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Re: how long should i p c grains [Re: jerseyian]
#23393347 - 06/29/16 07:59 AM (7 years, 6 months ago) |
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90+ minutes, starting once the PC reaches 15 psi.
I do 120 minutes sometimes.
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AMU Q&A If you don't have a plan of your own, you'll become a part of somebody else's.
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Supalemonhaze
Spore syringe hater.



Registered: 10/02/15
Posts: 6,725
Loc: 12" down Europe's butthole
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Re: how long should i p c grains [Re: Grey]
#23393380 - 06/29/16 08:15 AM (7 years, 6 months ago) |
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Quote:
Grey said: 90+ minutes, starting once the PC reaches 15 psi.
I do 120 minutes sometimes.

I do 120minutes always, just to be safe.
One way you could find out exactly how much time you need to PC is to babysit the PC cycle and once the jars reach final temp (meaning the core is the same temp as the steam), PC for 30 more minutes and that should be perfectly enough.
You notice how you need to keep lowering the heat during PCing? That's because the core is slowly going up in temperature. Once it stops doing that, and the pressure stops increasing, you know that your jar's core is up to temp. It only takes 30 minutes after this to sterilize a grain jar so time how long it takes to reach final temp, add 30 minutes and that is exactly the minimum PC cycle you need to do.
They say 90-120 minutes because not everyone needs the same cycle, some people need to PC for 1.5hrs for the core to come up to temp but for me it only takes around 45minutes IIRC. This means that I need to PC for a minimum of 1hr15minutes, I still do 2hr long cycles though. It can only help.
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blackout


Registered: 07/16/00
Posts: 5,266
Last seen: 2 months, 25 days
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Good advice given.
Its like asking "how long should I oven cook poultry".
A chicken nugget can be cooked in 15mins, a large turkey can take many hours. The time depends on the size and shape of the jars/bags, the grains at the very centre will be slowest to heat up and you have to keep them in mind. Other factors are at play too.
If doing typical jars I would recommend 2 hours too. No point skimping, the preparation, loading and unloading etc takes more real working time, an extra 30-60mins is usually spent watching tv or some other non tedious task, just casually monitoring it once going.
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MycoLoopology
Eye's wide open



Registered: 06/12/16
Posts: 518
Last seen: 2 years, 7 months
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Re: how long should i p c grains [Re: blackout]
#23394944 - 06/29/16 05:17 PM (7 years, 6 months ago) |
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Quote:
blackout said: Good advice given.
Its like asking "how long should I oven cook poultry".
A chicken nugget can be cooked in 15mins, a large turkey can take many hours. The time depends on the size and shape of the jars/bags, the grains at the very centre will be slowest to heat up and you have to keep them in mind. Other factors are at play too.
If doing typical jars I would recommend 2 hours too. No point skimping, the preparation, loading and unloading etc takes more real working time, an extra 30-60mins is usually spent watching tv or some other non tedious task, just casually monitoring it once going.
i like it.
-------------------- Current Grow Log ^^My first grow log <3^^ Wish me luck.
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Inocuole
Scalpel of Evil's Bane



Registered: 11/21/11
Posts: 24,863
Loc: ★
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Shiiit.. could get a chicken nugget deep fried in like 3-4 minutes.
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cronicr



Registered: 08/07/11
Posts: 61,436
Loc: Van Isle
Last seen: 2 years, 9 days
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Re: how long should i p c grains [Re: Inocuole] 1
#23395245 - 06/29/16 07:12 PM (7 years, 6 months ago) |
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you have been here for three years dude...js
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  It doesn't matter what i think of you...all that matters is clean spawn I'm tired do me a favor
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