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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation

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nobbik
journeyman

Registered: 12/11/01
Posts: 56
Last seen: 22 years, 7 months

contamination

#487971 - 12/11/01 09:14 PM (22 years, 9 months ago)

i read in all of the other posts that contamination is the biggest problem in growing. everything has to be air tight and shit but when i read about casing things and see pictures of mushrooms that are growing fine .. there are no lids on some of the containers that are housing them. i m just about to try casing and want to make sure i dont ruin some nice cakes .. any help would be appreciated. thnx

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sylo
addict

Registered: 10/29/00
Posts: 219
Last seen: 22 years, 5 months

Re: contamination

[Re: nobbik]
#488336 - 12/12/01 04:15 AM (22 years, 9 months ago)

When the cakes are 100% colonized they become resistant to most contams. Prior to colonization the jars must be kept sterile so no contams get to the substrate before the mycelium can get to it. Colonized cakes can be crumbled and mixed with pasteurized casing material. Pasteurize the casing by heating to near boiling temp. but do not pressure cook. Some casing materials like Jiffy Mix potting soil are perpasteurized and can be used straight from the bag. The casing process can be done in the open.

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ChangLee
enthusiast

Registered: 07/26/00
Posts: 156
Last seen: 22 years, 5 months

Re: contamination

[Re: nobbik]
#488421 - 12/12/01 08:00 AM (22 years, 9 months ago)

Sylo's right, once you take a fully colonized cake out of a jar, it's covered with stuff that's really made to break shit down--mushrooms are decomposers. For this reason, they're pretty hardy when it comes to fighting off contams.

Add to that, that a casing is made of non-nutritive materials, so even if a contam lands on it, you're probably OK.

Just common sense. I err on the side of cleanliness.

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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation

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