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Amazon Shop: ½ Pint Jars, Brown Rice Flour, Vermiculite

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OfflineAllyKat
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Black Stain in Jar - Spores or Contam?
    #3964123 - 03/24/05 11:17 AM (12 years, 3 months ago)

Hello everyone,
On Sunday I inoculated my jars using the basic PF Tek method. Today, I looked at my jars and found that the only jar that has mycellium growth also has a very black stain, like ink, in the middle of that growth.

I remember when I inoculated these jars, there was a clump of spores that would not break up and they were injected into a jar. At the time, I looked at it, and noticed that it looked like a black stain. I should have marked that jar, but I did not.

So now, I cannot tell if this black stain is from the spores or if it is a new stain. It seems much more intense than I recall. I cannot post a picture right now, but I will try to do so when I get home.

Is it common for spores to be so intensely black and obvious in the jars? I know it is difficult to tell without a photo, but in your experience have you seen black contaminant growth, on day four, surrounded by a patch of mycellium?

If they are spores, it makes sense, since this is the only jar with mycellium growth thus far.

Jars are fine vermiculite & brown rice flour. 2/3 Verm. 1/4 flour. 1/4 water.


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OfflineBloodNOil
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Re: Black Stain in Jar - Spores or Contam? [Re: AllyKat]
    #3964897 - 03/24/05 02:53 PM (12 years, 3 months ago)

if it gets bigger, toss it. You don't want anything to do with black mold.


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It's like a koala bear crapped a rainbow in my brain!


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OfflineAllyKat
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Re: Black Stain in Jar - Spores or Contam? [Re: BloodNOil]
    #3965410 - 03/24/05 05:07 PM (12 years, 3 months ago)

I'll watch it closely. I already removed it from the area the other jars are in just in case. I'll try to get a picture up too.


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OfflineBloodNOil
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Re: Black Stain in Jar - Spores or Contam? [Re: AllyKat]
    #3966062 - 03/24/05 08:08 PM (12 years, 3 months ago)

mark its size with a sharpie on the outside of your jar. if it spreads
beyond the mark, throw the whole jar out. jars aren't usually worth saving.


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Amazon Shop: ½ Pint Jars, Brown Rice Flour, Vermiculite

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