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Offlineshananigans989
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Registered: 07/04/16
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Last seen: 7 years, 6 months
Contamination Help: First time using casing
    #23411370 - 07/04/16 06:24 PM (7 years, 6 months ago)

Please help.  I've successfully grown using rice cake method, but have started a loose substrate method using rye berries.  Green is speckled over surface of the casing.  It does not appear to be penetrating any further than the surface.  Even if I need to throw out this batch, I'd like to figure out what the cause of this is so I can do better to prevent it in the future.






Casing is 50/50 vermiculite/peat moss sterilized for an hour in pressure cooker.  ~84°F with a couple degrees fluctuation.  Trays covered in aluminum foil with a few poked holes.  The trays are in a plastic tub. 

I have not been fanning because I was under the impression that higher air exchange should not be introduced for a couple more days until the mushrooms are switched to fruiting.  I'm reading on forums that if it's trich, it could be caused by anaerobic conditions.


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InvisibleMad Season
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Re: Contamination Help: First time using casing [Re: shananigans989]
    #23411906 - 07/04/16 09:13 PM (7 years, 6 months ago)

Oh dude that shit is heavily contaminated with trich. Sorry :frown:.

Do you use agar? Also you want to have temps of 65-75, especially for bulk substrates which are producing some intense thermogenesis.

Temp plays a factor, but the biggest factor is clean spawn. The hardest part of this hobby. Endospores are abundant, and lots have been upping pc times to 2 hours to reduce endospores.

Agar is used to clean up your spores/initial myc so you know you're inoculating with 100% clean inoculant.


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Edited by Mad Season (07/04/16 09:14 PM)


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