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Offlineboonefrog
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Registered: 08/05/05
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Last seen: 11 years, 3 months
all right, see if you can figure this one out...
    #4499920 - 08/05/05 02:47 PM (11 years, 4 months ago)

so afoaf has been growing for 2 years now but he is all of a sudden, for the first time since his initial pftek try,having problems with contams. he has just moved into a new house that is kind of old and sits in a very damp valley and therefore prone to contams floating around. so here's the run down...

  • he has sectioned off a 12ft x 6 ft part of a closet and lined the entire thing with black plastic so it is airtight. 
  • the grow/work room is sealed off from the rest of the house.
  • he uses a glove box for inoculation and grain to grain
  • he uses latex gloves, a bag over his head, a dust mask and fully cleans his clothes/skin before working
  • he is not experiencing contams in the jars (rye in quarts) but he has contaminated the last 6 casings that he has tried and he has only done 6 casings in this house
  • the casings are usually a quart of rye spawned into 3-4 quarts of pasturized compost/manure (store bought) which is put into 5 gallon plastic paint buckets which have, of course, been sterilized.
  • buckets have wide mouth filter patch on top for air circulation, temp is 82-88 with just a little bit of condensation in buckets.
  • the myc usually colonizes fine for 4-8 days but then slows to a stop and within 2 days trich/some other green mold starts popping up, almost always on top of substrate/casing, like the bucket lid is shitting mold all over his work
  • he has tried less water in the substrate as well as more air flow
  • he has used this exact method twice before with even less sterile technique and it has worked fairly well (luck?)
  • it fucking sucks because he feels like he has both wasted a lot of money and lost his touch :frown:


so yeah if anyone has any advice, any at all, he desperately needs help...thanks very much.


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OfflineHotnuts
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Re: all right, see if you can figure this one out... [Re: boonefrog]
    #4503382 - 08/06/05 11:08 AM (11 years, 4 months ago)

By adding lime you can buy yourself some crucial time. That's if your substrate is prepared right. I use 1/4 cup of hydrated lime per gallon and a 1/2 of substrate. More lime won't hurt.


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OfflineRogerRabbitM
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Re: all right, see if you can figure this one out... [Re: Hotnuts]
    #4504140 - 08/06/05 05:22 PM (11 years, 4 months ago)

There is no reason to use a filter on a casing. You need much more air exchange than that will allow. Also, 80+ is way too hot for a substrate, and only encourages contaminant molds. Lower the temp to the low to mid 70's and you'll do much better.
RR


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Offlineboonefrog
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Registered: 08/05/05
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Last seen: 11 years, 3 months
Re: all right, see if you can figure this one out... [Re: RogerRabbit]
    #4504523 - 08/06/05 07:55 PM (11 years, 4 months ago)

what should he use as the lid to his buckets? (they are the large white paint buckets). he has already invested in quite a few...any ideas?

btw thanks so much for the help guys


EDIT: the shroomery FAQ http://www.shroomery.org/index/par/23443 says to keep casings incubated at 80-84F...also an update, three more contaminated, they had way too much moisture in them though. it is becoming wuite hard to figure out a proper medium for everything. AGH!!!! this is really frustrating.


Edited by boonefrog (08/06/05 08:22 PM)


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Mushrooms, Mycology and Psychedelics >> Contamination Forum

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