Agar has/had bacteria - Mushroom Cultivation

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Blakedawg9
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Registered: 06/23/17
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Agar has/had bacteria

#25000269 - 02/17/18 09:40 AM (4 years, 11 months ago)

I have a quart jar i keep excess agar in that i noticed developed bacteria across the top. I pressure cooked the jar and was just confirming that it should be okay to use now?

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elasticaltiger
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Registered: 06/24/13
Posts: 7,485

Re: Agar has/had bacteria

[Re: Blakedawg9]
#25000339 - 02/17/18 10:55 AM (4 years, 11 months ago)

If you pressure cooked it then it should be fine but using previously contaminated stuff always makes me nervous.

Do you make pasty plates or do you pour?

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bodhisatta
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Registered: 05/01/13
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Re: Agar has/had bacteria

[Re: Blakedawg9]
#25000815 - 02/17/18 06:10 PM (4 years, 11 months ago)

Quote:

Blakedawg9 said:
I have a quart jar i keep excess agar in that i noticed developed bacteria across the top. I pressure cooked the jar and was just confirming that it should be okay to use now?

I definitely wouldn't reuse it. The bacteria could have made toxins or chemicals that swing the pH away from neutral. Dead bacteria isn't in any recipe I use.

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JonEveryman88
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Registered: 01/19/10
Posts: 1,638
Loc: Land of Maple Syrup

Re: Agar has/had bacteria

[Re: bodhisatta]
#25000896 - 02/17/18 06:50 PM (4 years, 11 months ago)

Quote:

bodhisatta said:
Quote:

Blakedawg9 said:
I have a quart jar i keep excess agar in that i noticed developed bacteria across the top. I pressure cooked the jar and was just confirming that it should be okay to use now?

I definitely wouldn't reuse it. The bacteria could have made toxins or chemicals that swing the pH away from neutral. Dead bacteria isn't in any recipe I use.

I concur. Toss it, always better safe then sorry.

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