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Offlinehyphae
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What is cold shocking?
    #5749426 - 06/14/06 11:55 AM (17 years, 7 months ago)

Cold shocking is a term most often associated with the refrigerator. It should be referred to as temp drop instead.

What is cold shocking? Some say it's placing your cultures in the fridge which is incorrect. Some say cold loving species need this huge drop in temps to fruit which is also incorrect. There has been so much misinformation out there it is not funny!

Cold shocking is actually just a drop in temperatures period it can be anywhere from a few degrees to as much as 25 degrees. Cold loving species can get the trigger effect from as little as 5 degrees BTW.
Understand this drop in temps is a trigger not a necessity! Now when COMBINED with your other triggers it becomes much more effective but fruits will still form without it.

People have been misusing this term for so long, it has become associated with the refrigerator somewhere down the line because inexperienced cultivators confused dunking in the fridge as a "cold shock" though the main reason people have dunked in the refrigerator was because mold (contams) grow much slower at cooler temps, generally fridges are very low in spore counts (contams) even though some misinformed people believe the refrigerator is a filthy place it's because they leave things to rot and their refrigerator probably is a filthy place.

Remember not any single trigger is totally necessary but when all are combined at the same exact time they become a single influence that will give you your best yield hands down everytime and thats a fact that you can take to the bank CONSISTANTLY!


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OfflineOatman2000
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Re: What is cold shocking? [Re: hyphae]
    #5749847 - 06/14/06 02:27 PM (17 years, 7 months ago)

what would be some examples of cold loving species?


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Offlinegutmaggot
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Re: What is cold shocking? [Re: Oatman2000]
    #5750095 - 06/14/06 03:47 PM (17 years, 7 months ago)

Quote:

Oatman2000 said:
what would be some examples of cold loving species?




*also interested*


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Invisiblecreamcorn
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Re: What is cold shocking? [Re: gutmaggot]
    #5750123 - 06/14/06 03:57 PM (17 years, 7 months ago)

some strains of oyster mushroom benefit from it.

i don't think any of the psilocybes do, cubensis or otherwise.

sticking your cube grow in a fridge for 24 hours basially accomplishes... a 24+ hour delay in getting to your end result. oh boy!


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OfflineRogerRabbitM
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Re: What is cold shocking? [Re: Oatman2000]
    #5750129 - 06/14/06 03:59 PM (17 years, 7 months ago)

Quote:

Oatman2000 said:
what would be some examples of cold loving species?




Azures for one. Chanterelles in my area don't fruit until we've had a frost or near frost. P cyans are another. You find them in late fall when the temperatures are in the 30's and 40's, after a long summer of 80+ weather. There's lots more.

Just don't confuse those species with tropical species like cubes. You can colonize cubes at 80, then move to a fruiting chamber at 85, and they'll go right to town, provided you properly juggle the many pinning triggers simultaneously. Ditto for pans cyans.
RR


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InvisibleS33D
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Re: What is cold shocking? [Re: hyphae]
    #5750260 - 06/14/06 04:53 PM (17 years, 7 months ago)

Quote:

hyphae said:
Remember not any single trigger is totally necessary but when all are combined at the same exact time they become a single influence that will give you your best yield hands down everytime and thats a fact that you can take to the bank CONSISTANTLY!




The triggers being fresh air, light, transpiration, and temperature drop correct?


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OfflineMustardMan
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Re: What is cold shocking? [Re: S33D]
    #5750274 - 06/14/06 05:03 PM (17 years, 7 months ago)

I made this mistake heh.

Good thread, clears stuff up I bet for a lot of people-including me.


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Edited by MustardMan (06/14/06 05:03 PM)


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OfflineRogerRabbitM
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Re: What is cold shocking? [Re: S33D]
    #5750522 - 06/14/06 06:31 PM (17 years, 7 months ago)

Quote:

S33D said:
The triggers being fresh air, light, transpiration, and temperature drop correct?




For cultivated mushrooms, add full colonization as one of the biggest pinning triggers.

For wild, outdoor species such as azures or chanterelles, full coloniziation becomes irrelevant because they never fully colonize the earth, but temperature drop becomes a major pinning trigger, since they have to fruit before winter sets in. Hope this helps.
RR


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InvisibleHoleSnype
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Re: What is cold shocking? [Re: RogerRabbit]
    #5751156 - 06/14/06 08:53 PM (17 years, 7 months ago)

bump for noobs


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Offlinehyphae
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Re: What is cold shocking? [Re: RogerRabbit]
    #5751280 - 06/14/06 09:25 PM (17 years, 7 months ago)

Quote:

RogerRabbit said:
Quote:

Oatman2000 said:
what would be some examples of cold loving species?




Azures for one. Chanterelles in my area don't fruit until we've had a frost or near frost. P cyans are another. You find them in late fall when the temperatures are in the 30's and 40's, after a long summer of 80+ weather. There's lots more.

Just don't confuse those species with tropical species like cubes. You can colonize cubes at 80, then move to a fruiting chamber at 85, and they'll go right to town, provided you properly juggle the many pinning triggers simultaneously. Ditto for pans cyans.
RR



Chanterelles fruit prolifically here in the midwest at temps ranging from the mid to upper forties down to near freezing during the night. And during the days temps usually range in the fifties. BTW Chanterelles are my most favorite wild forage.


--------------------
Getting the most out of your casings!, A pinning strategy.
Oyster Shell "Flour" $2 for 1lb. a hell of a deal :wink:
Not what is overlay but rather what overlay is
Gas Exchange vs. FAE

"We all have priorities. I used a closet once setup a nice little lab trouble was all the shit that was in there ended up in the bedroom that pissed off the GF then I ended up dumping her as she was getting in the way of my sterile culture technique! Ya I got priorities too!!!"


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OfflineSurReality
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Re: What is cold shocking? [Re: RogerRabbit]
    #6400637 - 12/23/06 10:07 PM (17 years, 1 month ago)

Quote:

RogerRabbit said:
Just don't confuse those species with tropical species like cubes. You can colonize cubes at 80, then move to a fruiting chamber at 85, and they'll go right to town, provided you properly juggle the many pinning triggers simultaneously. Ditto for pans cyans.
RR




alright im really confused... i had the idea that most psilobin mushrooms, especially cubes, trigger from cold shock. and i double checked by going to the strain thread - i found it says its best to DROP the temperature during fruiting. is that misinformation, and a cold shock is not need?


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Invisibleagar
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Re: What is cold shocking? [Re: SurReality]
    #6400674 - 12/23/06 10:21 PM (17 years, 1 month ago)

Cubes need no cold shock to fruit.
It's a myth.


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OfflineRogerRabbitM
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Re: What is cold shocking? [Re: SurReality]
    #6400719 - 12/23/06 10:34 PM (17 years, 1 month ago)

You don't cold shock tropical species. If you 'incubate' at a temperature in the 80's, your project will fruit slightly better at a temperature in the 70's. However, if you incubate in the 70's, your project will still fruit better in the 70's. Go figure. In the summer months in my location my fruiting chamber will regularly go into the 90F temperature ranges during the daytime when the lights are on. However, I incubate on a shelf at normal room temperature, so they get an INCREASE in temperature at fruiting. Performance is hardly degraded at all. Remember, it's common to pick cubes in Florida and Texas during 90F degree weather. Obviously they don't wait until cooler weather to fruit.

Cold shocking is for cold weather, fall fruiting mushrooms. Mushrooms that fruit during the spring and summer such as cubes and many oyster species do not benefit from a cold shock, and in most cases it delays fruiting. My best Shiitake strain on the other hand requires two weeks or longer at refrigerator temperatures to fruit well. My P nameko strain is the same way. If I fail to cold shock for an extended time, they won't fruit at all, or will fruit poorly.
RR


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OfflineSquallRealm
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Re: What is cold shocking? [Re: RogerRabbit]
    #6400739 - 12/23/06 10:41 PM (17 years, 1 month ago)

So its better to dunk without the fridge?


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OfflineRogerRabbitM
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Re: What is cold shocking? [Re: SquallRealm]
    #6400792 - 12/23/06 10:57 PM (17 years, 1 month ago)

No, it's better to dunk in the refrigerator for the reasons stated above. That however, is not cold shocking. Cold shocking is lowering temperatures for an extended period of time.
RR


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InvisibleBlutjager
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Re: What is cold shocking? [Re: RogerRabbit]
    #6401479 - 12/24/06 09:15 AM (17 years, 1 month ago)

I would have to agree,the only time I tried cold shocking it did no good whatsoever


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Offlinehyphae
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Re: What is cold shocking? [Re: Blutjager]
    #6402100 - 12/24/06 02:10 PM (17 years, 1 month ago)

I have to say I've noted by dropping the temps quickly you are hastening the transition from vegetative to generative growth. I have noted most of the time that there is no delay and actually pins develop sooner when cakes are involved. Casings should not be cold shocked as this will take away the much needed momentum used to run the casing layer as well as create primordia.


--------------------
Getting the most out of your casings!, A pinning strategy.
Oyster Shell "Flour" $2 for 1lb. a hell of a deal :wink:
Not what is overlay but rather what overlay is
Gas Exchange vs. FAE

"We all have priorities. I used a closet once setup a nice little lab trouble was all the shit that was in there ended up in the bedroom that pissed off the GF then I ended up dumping her as she was getting in the way of my sterile culture technique! Ya I got priorities too!!!"


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OfflineGreens21
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Re: What is cold shocking? [Re: creamcorn]
    #6884670 - 05/07/07 01:48 PM (16 years, 8 months ago)

Quote:

creamcorn said:
sticking your cube grow in a fridge for 24 hours basially accomplishes... a 24+ hour delay in getting to your end result.  oh boy!




I would have to disagree with this... Im not very experienced at all, so please take this with a grain of salt, but on my first grow ever I tried to trigger fruiting on my 100% colonized casings (Compost/vermiculite) and waited three weeks with absolutely no fruits.  Someone suggested sticking them in the fridge for 24 hours and guess what... I had several pins before I even took it out of the fridge, and several more by the end of that first day.

Again, not saying that you HAVE TO or even SHOULD cold shock, but in my experience it has been a benefit...at least when nothing else was working.

G21
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Offlineatomic1
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Re: What is cold shocking? [Re: Greens21]
    #6884709 - 05/07/07 01:58 PM (16 years, 8 months ago)

Your sub. was probably getting ready to fruit anyway. Lots of FAE seems to be the best "trigger" imo.


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Offlinepsycho_bin_farma
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Re: What is cold shocking? [Re: Blutjager]
    #6884794 - 05/07/07 02:20 PM (16 years, 8 months ago)

Quote:

Blutjager said:
I would have to agree,the only time I tried cold shocking it did no good whatsoever




In my [one] experience. Cold shocking, that is by lowering the temperature by refrigeration, actually adversely affected the rate at which my cake fruited.

A cake I dunked two days later at just 10 degrees higher is presently doing 10x better than the other cake.

You can (I think) shock it too cold.


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