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OfflineHiisi
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Registered: 08/21/03
Posts: 4
Last seen: 12 years, 3 months
Bacterial contamination?
    #2526682 - 04/05/04 07:39 AM (12 years, 7 months ago)

I'm growing my first cakes, Golden Teacher strain. The print didn't look like it had very much spores so we only made little syringe and applied it on two cakes.

After little less than two weeks, there was some thick, brilliantly white growth which has expanded a bit mut not too much, few cm^2 i guess. Mycelium (?) has now colonized only some 1/5 of the jar.

Is this bacterial contamination (faq's say it slows down the growth) or is it possible that this is just about too low temperature (around 20-25 degrees celcius), or something wrong with materials used in cakes? If it is bacterial contamination, is there any change that the cake would survive?


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Invisibledobinky
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Registered: 01/30/03
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Re: Bacterial contamination? [Re: Hiisi]
    #2526688 - 04/05/04 07:47 AM (12 years, 7 months ago)

bac sucks...you can tell if it looks watery...just let em be (umm not sure on the temp in C but 80f at least.

If both jars look the same then leave em....

see if you can get em to colonize the rest of the way...when you open them it will smell sour and nasty....(dont take a direct sniff!!! whaft the smell toward you)

check the contam forum for a list of contams and symptoms...it will help


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Today?s Pig is Tomorrow?s Bacon


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OfflineHiisi
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Re: Bacterial contamination? [Re: dobinky]
    #2526700 - 04/05/04 07:53 AM (12 years, 7 months ago)

Thanks.

80f is around 30 degrees C, so i guess I should get the jars to a warmer place then. It's not looking watery yet. Growth is also only on the other side, and someone said that maybe slowness of visible growth is about inproper injection of the spore suspension. We'll see.

Another jar doesn't show any growth whatsoever, but it got screwed already in the making, i guess.


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Invisibledobinky
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Re: Bacterial contamination? [Re: Hiisi]
    #2526710 - 04/05/04 08:04 AM (12 years, 7 months ago)

dont jump to throw it out...leave it for a week or 2 and see what happens...

a light small spore print can make a couple syringes...the black dots you see are a zillion spores....think about that...only 1 needs to germinate.

So a clear syringe can have thousands of spores...no worries


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Today?s Pig is Tomorrow?s Bacon


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Invisibleplura16
ROM3/10 SOLID

Registered: 09/25/03
Posts: 574
Loc: U.S.A.
Re: Bacterial contamination? [Re: Hiisi]
    #2526865 - 04/05/04 10:22 AM (12 years, 7 months ago)

If you've got bacteria, one way to tell, is it will start to smell different. Ammonia smell sometimes.

pic would help -- so your saying this brilliant white growth isint mycelium?


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OfflineHiisi
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Re: Bacterial contamination? [Re: plura16]
    #2527116 - 04/05/04 12:16 PM (12 years, 7 months ago)

No, I do think the white growth is mycelium, and there's no other growth than that. I guess I explained situation badly.


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OfflineShroomInhaler
No, I don'tsmoke them! :P

Registered: 03/04/04
Posts: 102
Last seen: 9 years, 8 months
Re: Bacterial contamination? [Re: Hiisi]
    #2527264 - 04/05/04 01:26 PM (12 years, 7 months ago)

Keep an eye on it.
Also, don't forget there is a Contamination forum where you will have better luck with getting this type of question answered


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Anonymous

Re: Bacterial contamination? [Re: Hiisi]
    #2527285 - 04/05/04 01:35 PM (12 years, 7 months ago)

Post deleted by user's request.


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