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Offlinebro057
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Registered: 06/13/04
Posts: 10
Last seen: 8 years, 10 months
how long in freezing temps till casings die?
    #3646949 - 01/19/05 03:09 AM (12 years, 1 month ago)

My friend has a converted freezer on his back porch. He keeps it heated with light bulbs rigged up to a thermostat. But he just found that he temporarily lost power and the temps dropped to 23f. It could have been that cold for up to 9 hours. he had 10 casings in there,1 1/2" thick in aluminum bread pans.

Are his casings dead or can they survive a freeze like that?

I've read that 106 hot is thermal death, but cant find much on cold death.

My friend would be very thankfull for any knowledge you guys can offer.


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Offlinescatmanrav
Brainy Smurf

Registered: 05/08/04
Posts: 11,483
Loc: Flag
Last seen: 4 years, 1 month
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Re: how long in freezing temps till casings die? [Re: bro057]
    #3647089 - 01/19/05 05:15 AM (12 years, 1 month ago)

They can and quite probably did live, though it probably slowed things down a little.


--------------------
"life is like a drop of rain getting closer and closer to falling into a lake, and then when you hit the lake there is no more rain drop, only the lake."

Growing with bags, start to finish (including my new grain and substrate prep)
Anyone looking to start bulk tubs/mono tubs/shotgun hybrids? Good tubs to use..
How I do grain (old still good tips)
Turn your closet into a fruiting chamber
Casing layer colonization and overlay


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Invisibleohmatic
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Registered: 02/28/04
Posts: 6,742
Loc: europe
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Re: how long in freezing temps till casings die? [Re: scatmanrav]
    #3647091 - 01/19/05 05:18 AM (12 years, 1 month ago)

actually when i began cultivating i forgot 3 casings in the fridge
for about a day or two.

they happened to be VERY close to the freezer and when i took them
out i saw ice crystals all over them.
i thought i had killed them,
but eventually they fruited real nice!

guess i was kinda lucky on that one.
wish u some luck there man.
peace ohm :mushroom2:


--------------------
:penis: MONOTUB tek :sun: HEATBOMB tek :penis:

RIP #cultivation! ....can't associate? well FUCK U !


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Offlinescatmanrav
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Re: how long in freezing temps till casings die? [Re: ohmatic]
    #3647101 - 01/19/05 05:29 AM (12 years, 1 month ago)

Quote:

ohmatic said:
actually when i began cultivating i forgot 3 casings in the fridge
for about a day or two.

they happened to be VERY close to the freezer and when i took them
out i saw ice crystals all over them.
i thought i had killed them,
but eventually they fruited real nice!

guess i was kinda lucky on that one.
wish u some luck there man.
peace ohm :mushroom2:




You are not the only one...I've done it to at least a dozen casings and I've heard of a dozen others telling of it happening to them, all survival stories as well...not really luck...just strong organism.


--------------------
"life is like a drop of rain getting closer and closer to falling into a lake, and then when you hit the lake there is no more rain drop, only the lake."

Growing with bags, start to finish (including my new grain and substrate prep)
Anyone looking to start bulk tubs/mono tubs/shotgun hybrids? Good tubs to use..
How I do grain (old still good tips)
Turn your closet into a fruiting chamber
Casing layer colonization and overlay


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InvisibleLouiseLouise
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Re: how long in freezing temps till casings die? [Re: scatmanrav]
    #3647287 - 01/19/05 09:06 AM (12 years, 1 month ago)

Personally, I haven't froze any. But it is a fact, even in nature, the cold doesn't kill myc., the heat does.

:peace:


--------------------
"That's why you get in close to them, and then take the picture!! Don't be a pussy!" ~CC


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Invisibleohmatic
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Re: how long in freezing temps till casings die? [Re: LouiseLouise]
    #3647293 - 01/19/05 09:12 AM (12 years, 1 month ago)

Quote:

LouiseLouise said:
Personally, I haven't froze any. But it is a fact, even in nature, the cold doesn't kill myc., the heat does.

:peace:




my's just as a mushroom about 90%+ water.
if you go to freezing temps, cells will rupture b/c of the expansion
of the water hich can lead to death
of the mycelium.

actually, as i write these lins, i just come to think of how deep freeze
actually works? .. wont the cells pop up aswell?

im seriously confused now.
peace ohm :mushroom2:


--------------------
:penis: MONOTUB tek :sun: HEATBOMB tek :penis:

RIP #cultivation! ....can't associate? well FUCK U !


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InvisibleLouiseLouise
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Re: how long in freezing temps till casings die? [Re: ohmatic]
    #3647376 - 01/19/05 09:58 AM (12 years, 1 month ago)

Hmmm, interesting point.
I was under the assumtion that myc. could withstand excessive cold, but would die at like 105 F.
I'll go check it out.
K, here we go: clicky
It seems that myc. will go to 106.
And as low as 0 F. (I would call that an estimate)


--------------------
"That's why you get in close to them, and then take the picture!! Don't be a pussy!" ~CC


Edited by LouiseLouise (01/19/05 10:15 AM)


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Offlinebro057
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Registered: 06/13/04
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Last seen: 8 years, 10 months
Re: how long in freezing temps till casings die? [Re: LouiseLouise]
    #3647479 - 01/19/05 10:44 AM (12 years, 1 month ago)

Thanks to all of you. my friend is very relieved. Although the temps are still only up to 60 deg. He now has hope.


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Offlinefresh313
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Re: how long in freezing temps till casings die? [Re: bro057]
    #3647486 - 01/19/05 10:46 AM (12 years, 1 month ago)

your straight, ive frozen cakes rock solid


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Invisibleohmatic
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Re: how long in freezing temps till casings die? [Re: LouiseLouise]
    #3647504 - 01/19/05 10:53 AM (12 years, 1 month ago)

Quote:


And as low as 0 F. (I would call that an estimate)




that would be the temp when atoms stop vibrating, correct?
peace ohm :mushroom2:


--------------------
:penis: MONOTUB tek :sun: HEATBOMB tek :penis:

RIP #cultivation! ....can't associate? well FUCK U !


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OfflineMushroomFriend
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Re: how long in freezing temps till casings die? [Re: LouiseLouise]
    #3647570 - 01/19/05 11:19 AM (12 years, 1 month ago)

Many mushrooms living in climates where it can be very cold in winter.
Fly agaric, azurescens, liberty cap, ps. cyanescens and many many many many many many many more.

Does not say that ps. cubensis survives cold winters, but to say that the expanding water will kill the myc is not perse true.


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


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Offlinefresh313
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Re: how long in freezing temps till casings die? [Re: ohmatic]
    #3647603 - 01/19/05 11:28 AM (12 years, 1 month ago)

Quote:

ohmatic said:
Quote:


And as low as 0 F. (I would call that an estimate)




that would be the temp when atoms stop vibrating, correct?
peace ohm :mushroom2:




i think your thinking of Absolute Zero which is 0 Kelvin [K]  :rocket:


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Invisibleohmatic
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Re: how long in freezing temps till casings die? [Re: fresh313]
    #3647922 - 01/19/05 01:10 PM (12 years, 1 month ago)

Quote:

fresh313 said:
i think your thinking of Absolute Zero which is 0 Kelvin [K]  :rocket:




jeah thats what i meant.
peace ohm :mushroom2:


--------------------
:penis: MONOTUB tek :sun: HEATBOMB tek :penis:

RIP #cultivation! ....can't associate? well FUCK U !


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Offlinescatmanrav
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Registered: 05/08/04
Posts: 11,483
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Last seen: 4 years, 1 month
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Re: how long in freezing temps till casings die? [Re: ohmatic]
    #3651640 - 01/20/05 03:19 AM (12 years, 1 month ago)

Substrate is not 90% water, mushrooms are. You can freeze cakes/casings without turning them to mush, unlike mushrooms.


--------------------
"life is like a drop of rain getting closer and closer to falling into a lake, and then when you hit the lake there is no more rain drop, only the lake."

Growing with bags, start to finish (including my new grain and substrate prep)
Anyone looking to start bulk tubs/mono tubs/shotgun hybrids? Good tubs to use..
How I do grain (old still good tips)
Turn your closet into a fruiting chamber
Casing layer colonization and overlay


Post Extras: Print Post  Remind Me! Notify Moderator
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