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OfflinePsilosopherr
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Plastic Lids that are "not meant for processing"
    #22127350 - 08/22/15 02:41 PM (8 years, 5 months ago)

I didn't realize until just now when reading mycopaths entry about plastic lids that I've purchased about 30 plastic lids that aren't even meant for pressure cooking. (all they wrote on the lid box was "not meant for processing" which was ambiguous enough for me not to notice when I bought them :crankey:)

I've already put a few of said plastic lids through a PC cycle, they appear to be doing well. Didn't warp or anything. I'm assuming they won't do well after multiple times in the PC though :shrug:

Wanted to at least spread the word not to buy those. Since it was name brand jar company merchandise I just assumed it would be rated to handle hot temps :whatever:



Here's the good kind, and entry I mentioned
http://www.mycopath.com/autoclavable-lids-for-spawn-jars-regular-mouth-70mm-p-68.html


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InvisibleInocuole
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Re: Plastic Lids that are "not meant for processing" [Re: Psilosopherr]
    #22127368 - 08/22/15 02:45 PM (8 years, 5 months ago)

A few of us use those lids with no issue.  There is no plastic lid meant for pressure cooking, to my knowledge.  The GE holes that we put in all our lids for this hobby prevent the damage that would otherwise occur in a normal canning situation, which is the plastic exploding or caving in from the pressure change.  I can confirm they don't melt or warp, at least from the runs I've done with them.  Since the pressure follows the path of least resistance, its all through your filter.


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Offlinetetherface
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Re: Plastic Lids that are "not meant for processing" [Re: Inocuole]
    #22127515 - 08/22/15 03:21 PM (8 years, 5 months ago)

I switched to the same plastic lids a few months back and haven't had a problem yet I even got some of the non name brand ones and they do fine the only thing I do differently is pc with them slightly loose because they get soft and loosen up anyways other than that its been smooth sailing


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OfflinecronicrFacebook
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Re: Plastic Lids that are "not meant for processing" [Re: tetherface]
    #22127579 - 08/22/15 03:39 PM (8 years, 5 months ago)

that label is simply meant to say it's no good for canning as they dont' seal


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OfflinePsilosopherr
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Re: Plastic Lids that are "not meant for processing" [Re: Inocuole]
    #22127597 - 08/22/15 03:43 PM (8 years, 5 months ago)

Quote:

Inocuole said:
A few of us use those lids with no issue.  There is no plastic lid meant for pressure cooking, to my knowledge.  The GE holes that we put in all our lids for this hobby prevent the damage that would otherwise occur in a normal canning situation, which is the plastic exploding or caving in from the pressure change.  I can confirm they don't melt or warp, at least from the runs I've done with them.  Since the pressure follows the path of least resistance, its all through your filter.



oh right on :awesomenod:

The lids I linked on mycopath are supposedly meant for PC. Saw em on mycosupply too :shrug:


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InvisibleInocuole
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Re: Plastic Lids that are [Re: Psilosopherr]
    #22127607 - 08/22/15 03:46 PM (8 years, 5 months ago)

Quote:

rbalzer said:
oh right on :awesomenod:

The lids I linked on mycopath are supposedly meant for PC. Saw em on mycosupply too :shrug:




Those are technically no better for "actual" pressure cooking/canning than the ones that say they're not intended for it.  They have the same problems, where they won't properly seal all the way, and the pressure will break them if they do.  It's just that our usage isn't really true pressure canning, since there's always a GE hole in anything that we pressure cook.  One time I PC'd a jar of water with just a SHIP and no GE hole, with a metal lid.  When I put in my syringe to inject some GLC or spores or whatever it was, the vacuum in the jar forcibly drew almost everything out of the syringe quicker than I could stop it.


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OfflinePsilosopherr
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Re: Plastic Lids that are [Re: Inocuole]
    #22127734 - 08/22/15 04:10 PM (8 years, 5 months ago)

Quote:

Inocuole said:
Quote:

rbalzer said:
oh right on :awesomenod:

The lids I linked on mycopath are supposedly meant for PC. Saw em on mycosupply too :shrug:




Those are technically no better for "actual" pressure cooking/canning than the ones that say they're not intended for it.  They have the same problems, where they won't properly seal all the way, and the pressure will break them if they do.  It's just that our usage isn't really true pressure canning, since there's always a GE hole in anything that we pressure cook.  One time I PC'd a jar of water with just a SHIP and no GE hole, with a metal lid.  When I put in my syringe to inject some GLC or spores or whatever it was, the vacuum in the jar forcibly drew almost everything out of the syringe quicker than I could stop it.



Here's a new piece of the puzzle: I also PC'd a small "agar jar" with an unmodified plastic lid. No holes for GE or anything, yet it also appears fine.


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InvisibleInocuole
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Re: Plastic Lids that are [Re: Psilosopherr]
    #22127741 - 08/22/15 04:11 PM (8 years, 5 months ago)

Might just not be sealed then.


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Offlineinvitro

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Re: Plastic Lids that are [Re: Inocuole]
    #22127747 - 08/22/15 04:12 PM (8 years, 5 months ago)

They make separate gaskets for the plastic lids, I have never bought one but I assume they make it so the seal is air/water tight.


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InvisibleInocuole
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Re: Plastic Lids that are [Re: invitro]
    #22127749 - 08/22/15 04:13 PM (8 years, 5 months ago)

Probably necessary for an LC lid, yeah.


--------------------
                            :rainbowdrink: Tea doesn't work?                            AMU  (Q & A)                  Grain prep for Intergalactic Space Oats :pes:     

Coir-ca-cola
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OfflinecronicrFacebook
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Re: Plastic Lids that are [Re: Psilosopherr]
    #22128226 - 08/22/15 06:52 PM (8 years, 5 months ago)

Quote:

rbalzer said:
Quote:

Inocuole said:
Quote:

rbalzer said:
oh right on :awesomenod:

The lids I linked on mycopath are supposedly meant for PC. Saw em on mycosupply too :shrug:




Those are technically no better for "actual" pressure cooking/canning than the ones that say they're not intended for it.  They have the same problems, where they won't properly seal all the way, and the pressure will break them if they do.  It's just that our usage isn't really true pressure canning, since there's always a GE hole in anything that we pressure cook.  One time I PC'd a jar of water with just a SHIP and no GE hole, with a metal lid.  When I put in my syringe to inject some GLC or spores or whatever it was, the vacuum in the jar forcibly drew almost everything out of the syringe quicker than I could stop it.



Here's a new piece of the puzzle: I also PC'd a small "agar jar" with an unmodified plastic lid. No holes for GE or anything, yet it also appears fine.



that's how i do it


--------------------

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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InvisibleStygianKnight
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Re: Plastic Lids that are "not meant for processing" [Re: cronicr]
    #22128272 - 08/22/15 07:05 PM (8 years, 5 months ago)

Quote:

cronicr said:
that label is simply meant to say it's no good for canning as they dont' seal



This.
The lids do fine in the PC but don't seal.
This shouldn't be a problem unless you are keeping your spawn around for awhile before use.


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InvisibleMudaFuka
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Re: Plastic Lids that are "not meant for processing" [Re: StygianKnight]
    #22128300 - 08/22/15 07:12 PM (8 years, 5 months ago)

I've used plastic lids hundreds of times with out issue and all of mine say not for canning right on the lid. I even use them for LIs and LCs. You just want to handle them a bit more carefully since the don't make a perfect seal.


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Invisibletahoe
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Re: Plastic Lids that are "not meant for processing" [Re: MudaFuka]
    #22129330 - 08/23/15 12:55 AM (8 years, 5 months ago)

Those plastic lids are about useless. They DO NOT SEAL. One sponsor sells them made up for lc's. A quick test of turning a jar full of water upside down while drawing water out of it will show it's flaws. It will allow air to seep in around the threads.

A lot of people have luck using them though. But just a warning. They do not seal when being used by themselves or with a polyfill filter



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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.


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InvisibleMudaFuka
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Re: Plastic Lids that are "not meant for processing" [Re: tahoe]
    #22129965 - 08/23/15 08:42 AM (8 years, 5 months ago)

They aren't air or even water tight but they seal well enough for my purposes. I use them a lot. I've never had anything contam because of them.


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OfflinePsilosopherr
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Re: Plastic Lids that are "not meant for processing" [Re: MudaFuka]
    #22130238 - 08/23/15 10:06 AM (8 years, 5 months ago)

:hatsoff:

I mean, we use our metal lids upside down. Do upside down metal lids really seal better than plastic?


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