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OfflineCoolTJ
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Co2 exchange while cold shocking?
    #11264977 - 10/17/09 01:06 PM (8 years, 1 month ago)

I'm going to cold shock 2 p.mexicana casings putting them in sterile boxes in the fridge for 1 week, but I was wondering if I should drill some holes putting some tyvek over the holes to allow some Co2 exchange or should I leave the boxes 100% air tight while cold shocking?


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InvisibleEpilson Lyrae
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Re: Co2 exchange while cold shocking? [Re: CoolTJ]
    #11264992 - 10/17/09 01:09 PM (8 years, 1 month ago)



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OfflineCoolTJ
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Re: Co2 exchange while cold shocking? [Re: Epilson Lyrae]
    #11265012 - 10/17/09 01:13 PM (8 years, 1 month ago)

I'm talking about Psilocybe Mexicana, they need to be cold shocked to introduce pinning as I've understood.


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Invisiblewygram
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Re: Co2 exchange while cold shocking? [Re: CoolTJ]
    #11265036 - 10/17/09 01:16 PM (8 years, 1 month ago)

Did you start from spores?

Quote:

RogerRabbit said:
Many substrains won't fruit no matter what you do, as scatmanrav just noted.  Try again with agar and isolate a few substrains.  I've had the best luck with finding fruiting strains of mexicana by leaving in the petri dish for a month or two.  Sclerotia will form in a petri dish within three weeks if you have a good producer.  Within two to three weeks after that, fruits will form from the slerotia if it's a decent fruiting strain.  At that time, transfer the best fruiting strain on agar over to rye grain or grass seed(I prefer rye berries to grass seed) to a tray and case. Cold shocking is not necessary with the mexicana species.
RR





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Invisibleprismism


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Re: Co2 exchange while cold shocking? [Re: CoolTJ]
    #11265063 - 10/17/09 01:21 PM (8 years, 1 month ago)

pretty sure p. mexicana is a tropical species. it wont benefit at all from cold shocking. also a WEEK?? why would you cold shock for an entire week?
where are you getting this information? give me a link..


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OfflineCoolTJ
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Re: Co2 exchange while cold shocking? [Re: wygram]
    #11265084 - 10/17/09 01:24 PM (8 years, 1 month ago)

Yes, I did start from spores, I thought everyone was cold shocking their p.mexicana casings so this info where all new to me.

But, a rhetoric question then, if I were to cold shock a casing would I leave it air tight or make some holes to allow for co2 exchange?


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InvisibleMrPinkFloyd
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Re: Co2 exchange while cold shocking? [Re: CoolTJ]
    #11265103 - 10/17/09 01:28 PM (8 years, 1 month ago)

:foreheadslap:

And this,

Definitions of rhetorical question on the Web:

a statement that is formulated as a question but that is not supposed to be answered

And yes, to initiate fruiting, FAE is needed.


Edited by MrPinkFloyd (10/17/09 01:29 PM)


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Invisiblewygram
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Re: Co2 exchange while cold shocking? [Re: MrPinkFloyd]
    #11265118 - 10/17/09 01:31 PM (8 years, 1 month ago)

Cold shock the same way you colonized, which hopefully gave the casing gas exchange.


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Invisibleprismism


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Re: Co2 exchange while cold shocking? [Re: CoolTJ]
    #11265120 - 10/17/09 01:31 PM (8 years, 1 month ago)

when people cold shock they do so underwater. or at least thats what i thought. you dont need any type of air exchange. and you dont need to do it longer than 24 hours. if you are dealing with a bulk sub(youre calling it a casing?) then you shouldnt dunk/cold shock any longer than 12 hours.
im not a big p. mexicana grower though..


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InvisiblePremedman1
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Re: Co2 exchange while cold shocking? [Re: CoolTJ]
    #11265129 - 10/17/09 01:33 PM (8 years, 1 month ago)

Psilocybe Mexicana do not need cold shocking to induce pinning. You will only delay the process.


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OfflineCoolTJ
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Re: Co2 exchange while cold shocking? [Re: Premedman1]
    #11265155 - 10/17/09 01:36 PM (8 years, 1 month ago)

Ok, I get it now :smile: I will not cold shock my Mexicana casings.

thank you all for the replies :smile:


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OfflineCoolTJ
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Re: Co2 exchange while cold shocking? (Yes you can cold shock Mex A) [Re: CoolTJ]
    #12697333 - 06/06/10 03:43 PM (7 years, 5 months ago)

Sorry, for bringing my old post up!!!

But I got flamed for saying that I was going to cold shock my Psilocybe
Mexicana A. I must say you guys were pretty wrong about not to cold
shock P. Mexicana A.

Please look at the following posts (by Una):

http://www.shroomery.org/forums/showflat.php/Number/1283620#1283620

http://www.shroomery.org/forums/showflat.php/Number/1090305#1090305

(the second post is a reply by Una look further down the post for his
reply)

And Una is some of the greatest growers around, so your info was wrong.
As you see he had great results from cold shocking Mex A :smile:


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OfflineRogerRabbitM
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Re: Co2 exchange while cold shocking? (Yes you can cold shock Mex A) [Re: CoolTJ]
    #12697383 - 06/06/10 03:51 PM (7 years, 5 months ago)

Psilocybe mexicana, while native to sub-tropical regions, grows in the mountains, fruiting in the fall.  It's not a tropical species in the same sense of the word as P cubensis.  This is often misunderstood.
RR


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