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Amazon Shop for: ½ Pint Jars, Brown Rice Flour, Pressure Cooker, Rye Grain, Vermiculite, Wild Bird Seed

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Offlinejonniex
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Registered: 11/16/02
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Sterilizing Vermiculate
    #1615621 - 06/06/03 10:12 PM (13 years, 5 months ago)

Hello I use the pf tek method initially to create colonized substrate jars, after that I use a large plastic container and put a half inch layer of vermiculate down. Then I put down my colonized substrate and a small layer of vermiculate over this.

This is obviously a very common thing but I am think possibly a source of contaminants is the vermiculate that I just throw down in the fruiting environment.

Its basically right out of the bag which is relatively sterile.

Without adding things which may hinder the colonized mushrooms production is there a way I can sterilize this before I lay it down.

I was think using a pressure cooker but it seems like a hard way to do it since I use so much vermiculate at a time.

THANKS

Jonathan


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Offlinepsilo9com
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Registered: 05/20/03
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Re: Sterilizing Vermiculate [Re: jonniex]
    #1615734 - 06/06/03 11:33 PM (13 years, 5 months ago)

nuke it for 5 min, stir, nuke for another 5 min.

It doesn't completely need it, verm is non-nutritive and shouldn't contam but it happens so it's best not to chance it.


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Offlinejonniex
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Re: Sterilizing Vermiculate [Re: psilo9com]
    #1615816 - 06/07/03 12:38 AM (13 years, 5 months ago)

Um I guess I should go get a microwave then. I'm the only one in the world who doesn't have one.


Any other ways other than use a microwave?


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OfflineMAIA
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Re: Sterilizing Vermiculate [Re: jonniex]
    #1616737 - 06/07/03 04:24 PM (13 years, 5 months ago)

Yes, he was referring to the microwave.
Other options could be the oven or even boiling it for 1 hour every day for several days inside a container (fractional sterilization - see faqs).

MAIA


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Spiritual being, living a human experience ... The Shroomery Mandala



Use, do not abuse; neither abstinence nor excess ever renders man happy.
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Offlinejonniex
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Re: Sterilizing Vermiculate [Re: MAIA]
    #1617427 - 06/08/03 01:14 AM (13 years, 5 months ago)

why do I have to boil it everyday? Isn't once enough if I put it in a sterile container after?


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OfflineAmanita_Dreamer
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Re: Sterilizing Vermiculate [Re: jonniex]
    #1617483 - 06/08/03 01:49 AM (13 years, 5 months ago)

I?ve tried boiling and microwaving.... in the micro I do it a couple of times for about 5min at a time inside of a microwave safe dish that has a vented lid. But boiling i?ll do once inside of a pillow case in my pc for and hour and a half @ 15psi. This I have found anyway to be plenty of sterilizing.IMHO

Here is a pic of a sucsesful microwave streilized coco/verm casing using this TEK..... http://www.shroomery.org/index/par/23536




--------------------


Edited by Amanita_Dreamer (06/08/03 01:58 AM)


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Anonymous

Re: Sterilizing Vermiculate [Re: Amanita_Dreamer]
    #1617526 - 06/08/03 02:11 AM (13 years, 5 months ago)

you don't need fractional for just brf....steaming for 1 hour does the trick :smile:.....fractional is for whole grains like rye, wbs, popcorn etc


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Offlinechineseguy
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Re: Sterilizing Vermiculate [Re: Amanita_Dreamer]
    #1617531 - 06/08/03 02:13 AM (13 years, 5 months ago)

the easiest way is to put the verm on a cookie sheet and leave it in the oven at 300F for 30 mins (easy to remember; 300 for 30) and it works.


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Offlinejonniex
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Re: Sterilizing Vermiculate [Re: chineseguy]
    #1619711 - 06/09/03 03:38 AM (13 years, 5 months ago)

thanks for all your ideas!


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Amazon Shop for: ½ Pint Jars, Brown Rice Flour, Pressure Cooker, Rye Grain, Vermiculite, Wild Bird Seed

Mushrooms, Mycology and Psychedelics >> Contamination Forum

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