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Amazon Shop for: ½ Pint Jars, Autoclave, Pressure Cooker

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OfflineRedHead
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pressure cooking plastic or tupperware
    #577892 - 03/13/02 03:15 PM (14 years, 8 months ago)

i have a 6 quart plastic container- it is really thick plastic. it doesn't even have a recycle number on the bottom. i think milk jug containers are number 2 (if that means anything to anyone). i think it says "pp" (polypropalene [sp?]) on the bottom. it has a lid made out of the same material. i also have some 3 quart plastic containers that do say "pp" on the bottom. and the lids have recycle number 5 i think. i want to use these as spawn containers- but i need to know if i can put them in my pressure cooker at 15psi for about 70 minutes (in order to sterilize wheat berries)?? there is already a little metal thing in the bottom of my pressure cooker so the containers won't be sitting directly on the bottom- but i will also put a wash cloth underneathe just to be safe.

anybody done this before? are these gonna melt? thanks for all responses.

red


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Offlinebluhoney
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Re: pressure cooking plastic or tupperware [Re: RedHead]
    #578338 - 03/14/02 02:07 AM (14 years, 8 months ago)

If they donot melt they will possibly warp, and since you donot have a separate band and lid, air exchange will be difficult. Not a good idea. But thats just an opinion.:). Just use canning jars and be safe.:)bluhoney 


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OfflineNorthernsoul
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Re: pressure cooking plastic or tupperware [Re: RedHead]
    #578453 - 03/14/02 05:49 AM (14 years, 8 months ago)

If you want to sterilize casung then just use those ovenbags, theyre usualy in the ziplock bag section at the grosery store, and theyre cheap and reusable


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InvisibleZen Peddler
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Re: pressure cooking plastic or tupperware [Re: RedHead]
    #578481 - 03/14/02 07:00 AM (14 years, 8 months ago)

Not true - i have PCed and my friend says you can even autoclave good quality tupperware. If they are empty they may buckle, but if they are full of substrate, theyll be fine


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InvisibleHippie3
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Re: pressure cooking plastic or tupperware [Re: Zen Peddler]
    #578504 - 03/14/02 08:05 AM (14 years, 8 months ago)

i've pc'd the microwave-safe gladwear disposables many times without problems.


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Amazon Shop for: ½ Pint Jars, Autoclave, Pressure Cooker

Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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