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midnightmaraude
Stranger


Registered: 05/09/14
Posts: 1,260
Last seen: 7 years, 1 month
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lids popped off during pc cycle
#22299788 - 09/27/15 06:15 PM (8 years, 4 months ago) |
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I have the plastic white lids with an sfd and ship. Well at the end of my 90min pc at 23psi I opened it and saw the two jars that had the large mouth lids had popped off fortunately it was only sawdust but why did this happen?
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PinPornProducer
Buy the ticket, take the ride



Registered: 08/23/14
Posts: 9,981
Loc: Rocky Point R.I
Last seen: 6 years, 24 days
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23 psi? Why so high? That's pretty hot, the lids prolly softend up and became loose
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Inocuole
Scalpel of Evil's Bane



Registered: 11/21/11
Posts: 24,863
Loc: ★
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Yeah I dunno if I'd run the plastic lids so hot... 18-20psi is probably plenty.. I have enough problem with those loosening up at the normal temps.
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midnightmaraude
Stranger


Registered: 05/09/14
Posts: 1,260
Last seen: 7 years, 1 month
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Re: lids popped off during pc cycle [Re: Inocuole]
#22299880 - 09/27/15 06:33 PM (8 years, 4 months ago) |
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Ok. Also perhaps putting tinfoil over Em may help too.
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JacobStorm
psychedelic cartel



Registered: 07/21/15
Posts: 1,499
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I thought 15 psi was the required temp?
23 seems really high especially for plastic.
-------------------- Rogger Rabbits Mushroom growing videos Ethnobotanical garden forum Inocuole tea TEK azur said: If you like 6th grade results, then 6th grade projects are great.
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Inocuole
Scalpel of Evil's Bane



Registered: 11/21/11
Posts: 24,863
Loc: ★
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Re: lids popped off during pc cycle [Re: JacobStorm]
#22299925 - 09/27/15 06:42 PM (8 years, 4 months ago) |
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It's the minimum required temp for a 90 minute run to be effective. More doesn't generally hurt but obviously something crossed the boundary of too much.
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Mad Season
hookers and blackjack



Registered: 09/16/12
Posts: 12,666
Loc: Canada
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Re: lids popped off during pc cycle [Re: Inocuole]
#22299941 - 09/27/15 06:45 PM (8 years, 4 months ago) |
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Yeah not for plastic. For metal you can do up to 30+ psi 
Not sure what it would be for lids. Every pp5 product has a temperature tolerance
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DaveyJones6911
Nonconformist


Registered: 09/08/15
Posts: 690
Loc: EU
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Re: lids popped off during pc cycle [Re: Mad Season]
#22299972 - 09/27/15 06:53 PM (8 years, 4 months ago) |
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plastic jars for some reason come under pressure when you cook them. for me in my regular pot it leads to deforming of the lids and the people who sell the plastic jars i use recommend to leave the jars partly open during sterilisation to prevent this.
-------------------- Creativity is a dangerous thing in the eyes of those who don't have any.
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tahoe
Noob Slayer



Registered: 11/26/03
Posts: 6,274
Loc: N38.93829W119.98108
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Plastic lids suck. They do not seal on their own. 23psi is awesome. I bet the lids didn't like the extra ten degrees.
-------------------- Stop experimenting half way through your first grow. Grow it to maturity, watch it, learn from it. Do this a few times then experiment with different ideas and figure out what works best for you.
My Legacy https://www.shroomery.org/forums/showflat.php/Number/22140987#22140987 Teh=The I need to proofread
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DaveyJones6911
Nonconformist


Registered: 09/08/15
Posts: 690
Loc: EU
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Re: lids popped off during pc cycle [Re: tahoe]
#22301819 - 09/28/15 08:52 AM (8 years, 4 months ago) |
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platic lids are fine if you don't fuck it up and warp them.
-------------------- Creativity is a dangerous thing in the eyes of those who don't have any.
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JacobStorm
psychedelic cartel



Registered: 07/21/15
Posts: 1,499
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Putting plastic in a high temperature environment doesn't sound like a good idea period haha.
-------------------- Rogger Rabbits Mushroom growing videos Ethnobotanical garden forum Inocuole tea TEK azur said: If you like 6th grade results, then 6th grade projects are great.
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DaveyJones6911
Nonconformist


Registered: 09/08/15
Posts: 690
Loc: EU
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Re: lids popped off during pc cycle [Re: JacobStorm]
#22305707 - 09/28/15 10:37 PM (8 years, 4 months ago) |
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this ain't your daddy's plastic, this is polypropylene(pp)
-------------------- Creativity is a dangerous thing in the eyes of those who don't have any.
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Juiceh
Dabbing All Day



Registered: 09/25/12
Posts: 3,208
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Re: lids popped off during pc cycle [Re: tahoe]
#22305773 - 09/28/15 10:48 PM (8 years, 4 months ago) |
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Quote:
tahoe said: 23psi is awesome.
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tahoe
Noob Slayer



Registered: 11/26/03
Posts: 6,274
Loc: N38.93829W119.98108
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Re: lids popped off during pc cycle [Re: Juiceh]
#22306020 - 09/29/15 12:01 AM (8 years, 4 months ago) |
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Quote:
Juiceh said:
Quote:
tahoe said: 23psi is awesome.

We should start a gang, club, crew, etc. The 23ers. One needs to post a pic of their pc at 23psi or above to join. We could have meetings and shit. We could laugh at the 15ers. It will be great.
-------------------- Stop experimenting half way through your first grow. Grow it to maturity, watch it, learn from it. Do this a few times then experiment with different ideas and figure out what works best for you.
My Legacy https://www.shroomery.org/forums/showflat.php/Number/22140987#22140987 Teh=The I need to proofread
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cronicr



Registered: 08/07/11
Posts: 61,436
Loc: Van Isle
Last seen: 2 years, 8 days
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Re: lids popped off during pc cycle [Re: tahoe]
#22306078 - 09/29/15 12:31 AM (8 years, 4 months ago) |
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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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DaveyJones6911
Nonconformist


Registered: 09/08/15
Posts: 690
Loc: EU
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Re: lids popped off during pc cycle [Re: cronicr]
#22306687 - 09/29/15 05:37 AM (8 years, 4 months ago) |
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Quote:
cronicr said: https://www.shroomery.org/forums/showflat.php/Number/19296230 i'm still laughing at anybody using a pc
u sterilised wbs without a pc?
-------------------- Creativity is a dangerous thing in the eyes of those who don't have any.
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midnightmaraude
Stranger


Registered: 05/09/14
Posts: 1,260
Last seen: 7 years, 1 month
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Re: lids popped off during pc cycle [Re: tahoe]
#22306864 - 09/29/15 07:10 AM (8 years, 4 months ago) |
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Quote:
tahoe said:
Quote:
Juiceh said:
Quote:
tahoe said: 23psi is awesome.

We should start a gang, club, crew, etc. The 23ers. One needs to post a pic of their pc at 23psi or above to join. We could have meetings and shit. We could laugh at the 15ers. It will be great.
lmao. Can we get patches too?
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cronicr



Registered: 08/07/11
Posts: 61,436
Loc: Van Isle
Last seen: 2 years, 8 days
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Quote:
DaveyJones6911 said:
Quote:
cronicr said: https://www.shroomery.org/forums/showflat.php/Number/19296230 i'm still laughing at anybody using a pc
u sterilised wbs without a pc?
did that whole grow w/o one
--------------------
  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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Juiceh
Dabbing All Day



Registered: 09/25/12
Posts: 3,208
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Re: lids popped off during pc cycle [Re: cronicr]
#22307467 - 09/29/15 10:34 AM (8 years, 4 months ago) |
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Quote:
cronicr said: https://www.shroomery.org/forums/showflat.php/Number/19296230 i'm still laughing at anybody using a pc
Steaming grain jars for 8 hours rather than PCing?
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Sksoul
Pan handler



Registered: 10/31/14
Posts: 397
Loc: Far East
Last seen: 3 years, 6 months
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Re: lids popped off during pc cycle [Re: Juiceh]
#22307599 - 09/29/15 11:14 AM (8 years, 4 months ago) |
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Its because of cronicr's grows that I nearly threw away all my FCs..... Open air fruiting has changed my life.
-------------------- Like all great travellers, I have seen more than I remember, and remember more than I have seen.
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