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Busst
Stranger
Registered: 11/27/04
Posts: 199
Last seen: 11 years, 4 months
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Contammed spawnbags inflating themselves
#16175938 - 05/03/12 09:49 AM (12 years, 8 months ago) |
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Anyone else experience this? Saw it for the first time today.. my friend's spawnbag had a bacterial contam (what looked like it, didn't smell like it, but it was having trouble recovering after a knead).
After the knead, it started inflating itself, and now its sitting there like a balloon... anyone else see something like that?
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a social revolt
retired cultivator


Registered: 09/07/11
Posts: 833
Loc: Brooklyn, NYC
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Re: Contammed spawnbags inflating themselves [Re: Busst]
#16176037 - 05/03/12 10:19 AM (12 years, 8 months ago) |
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What is in the spawn bag?
I've had similar happen to me- after "kneading" growth stopped, the bag inflated a little, and a very nasty smell came out of it.
Probably has something to do with different needs of the contamination compared to the mycelium- like different CO2/oxygen/etc levels perhaps...
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Busst
Stranger
Registered: 11/27/04
Posts: 199
Last seen: 11 years, 4 months
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Re: Contammed spawnbags inflating themselves [Re: a social revolt]
#16176091 - 05/03/12 10:36 AM (12 years, 8 months ago) |
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it was WBS
I can't smell anything foul through the filter though...ide, it was kneaded at like 80%... now won't recover.
I was imagining there was SO MUCH bacterial activity, it is filling the bag up with c02 LOL
but I can't smell anything. Bacterial contamination IME always smelled unmistakeable..
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DrCrumbs
Alpha Blue


Registered: 10/25/11
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Loc: Gili Trawangan
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Re: Contammed spawnbags inflating themselves [Re: Busst]
#16176125 - 05/03/12 10:50 AM (12 years, 8 months ago) |
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By kneaded you mean you smashed/squished it up like bread?
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Doc_T
Random Dude




Registered: 03/06/09
Posts: 42,395
Loc: Colorado
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Re: Contammed spawnbags inflating themselves [Re: Busst]
#16176139 - 05/03/12 10:54 AM (12 years, 8 months ago) |
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Quote:
Busst said: I was imagining there was SO MUCH bacterial activity, it is filling the bag up with c02 LOL
That's what's happening. Bacterial contams don't always stink. Could also be yeast- are there little white dots on the grains?
-------------------- You make it all possible. Doesn't it feel good?
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Busst
Stranger
Registered: 11/27/04
Posts: 199
Last seen: 11 years, 4 months
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Re: Contammed spawnbags inflating themselves [Re: DrCrumbs]
#16176158 - 05/03/12 11:00 AM (12 years, 8 months ago) |
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Quote:
DrCrumbs said: By kneaded you mean you smashed/squished it up like bread?
Yeah, broken up so the uncolonized grain got mixed in with the big chunk of colonized grain.
white dots? I mean, the whole block of kernal was practically white to begin with, it was at 90%
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RogerRabbit
Bans for Pleasure



Registered: 03/26/03
Posts: 42,214
Loc: Seattle
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Re: Contammed spawnbags inflating themselves [Re: Busst]
#16176584 - 05/03/12 01:10 PM (12 years, 8 months ago) |
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It's normal for even non-contaminated bags to inflate if the mycelium outgasses CO2 faster than the filter patch can exchange it.
This also often happens at shaking, since embedded CO2 is released from the center of the substrate. RR
-------------------- Download Let's Grow Mushrooms
semper in excretia sumus solim profundum variat
"I've never had a failed experiment. I've only discovered 10,000 methods which do not work."
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Busst
Stranger
Registered: 11/27/04
Posts: 199
Last seen: 11 years, 4 months
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Re: Contammed spawnbags inflating themselves [Re: RogerRabbit]
#16176685 - 05/03/12 01:37 PM (12 years, 8 months ago) |
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Whew. Thanks roger!
I guess we shall see what's up after a day or two...
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