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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation
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agar wedge changed color after grain shaking
    #25558350 -

This jar was inoculated using a agar wedge a few weeks ago.
Before shaking the agar was on top of the grain covered by white mycelium.
Just after shaking the agar wedge fell in the middle of the jar and was still white.
But 24 hours after shaking I noticed that the agar wedge turned slightly green / gray.
I could remember that this already happened to me a few months ago. That time I realized that the agar turned greenish when spawning to bulk but the monotub didn't contaminate (at least the first flush).

In this picture I highlighted the agar wedge. It dried out and was smashed during grain shaking.
It looks slightly green/gray. Definitely not as white as the mycelium.
I was wandering if this is a contamination.


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Re: agar wedge changed color after grain shaking [Re: fidelio]
    #25558394 -

How far along was your jar before you shook it? I wouldn't sweat the agar looking a different colour, long as your jar recovers within a few days then its good


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"How it should & shouldn't look "      "Recognizing contamination"      "Rye Berry Prep"      "Franks G2G"      "Humidity Chamber"      "Agar Recipes"

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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation
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