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Offlinebigd17
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cooling substrate quickly
    #19379749 - 01/06/14 10:07 PM (10 years, 1 month ago)

Something recently dawned on me and I just had to know what the good people of the shroomery had to say about it. 

I have taken many a food handler/management safety course and there is a "temperature danger zone" so to speak at which point bacteria is at its peak and grows quickly and more easily.

Now I know, "this isn't a hobby for people with no patience" I've read that as a response to tons and tons of posts. 

However, it would seem to me, Theoretically of course, that bringing the jars down to a safe temp at which to inoculate without destroying the spores would actually help to reduce the risk of contamination as opposed to leaving your substrate/lc to cool overnight.

I mean even if you leave it in the pc or pot, whatever you use, I would think that the high humidity within not only the pot but also the jars would just be an invitation for bacteria especially considering how long it would be in this temperature danger zone.

So I guess my question is, am I totally off base on this one or has anyone experimented with this hypothesis to any avail?


--------------------
"The secret to success is to make your Vocation a Vacation."
      -Mark Twain

Confucius say,"man who stand on toilet, high on pot."

The answer to the question never asked is always no.


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OfflinecronicrFacebook
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Re: cooling substrate quickly [Re: bigd17]
    #19379771 - 01/06/14 10:10 PM (10 years, 1 month ago)

yeah but by the time it's cooling...you just sterilized it:shrug:


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

It doesn't matter what i think of you...all that matters is clean spawn

I'm tired do me a favor


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Offlinebigd17
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Re: cooling substrate quickly [Re: cronicr]
    #19379805 - 01/06/14 10:16 PM (10 years, 1 month ago)

Well yeah I get that but it's no longer being heated which just means there's nothing to ward off potential contaminants and no competition for the available nutrients. 

Like I said, hypothetically, contam city.

I know that people have been using this method for a long time and I'm sure without much trouble but if there's a way to increase your success rate then why ignore the possibility?


--------------------
"The secret to success is to make your Vocation a Vacation."
      -Mark Twain

Confucius say,"man who stand on toilet, high on pot."

The answer to the question never asked is always no.


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Re: cooling substrate quickly [Re: bigd17]
    #19379817 - 01/06/14 10:18 PM (10 years, 1 month ago)

what possibilty? the outside of my jar is gonna get contams fall on it once it's out of the pc anyway, everything inside is nuked:justdontknow: faith in filters:cool:


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

It doesn't matter what i think of you...all that matters is clean spawn

I'm tired do me a favor


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Offlinebigd17
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Re: cooling substrate quickly [Re: bigd17]
    #19379844 - 01/06/14 10:21 PM (10 years, 1 month ago)

Perhaps one could submerge the pot in a sink of cold water and ice maybe just halfway up the sides of the pot. 

Put something heavy on the lid to hold it down.

It's the same method for cooling big pots of soups or sauces before putting them in the fridge to chill.

Of course the reason I ask is if someone else has already thought of this and tried it and ended up getting contaminants due to this then obviously it wouldn't be worth wasting the time to even try.


--------------------
"The secret to success is to make your Vocation a Vacation."
      -Mark Twain

Confucius say,"man who stand on toilet, high on pot."

The answer to the question never asked is always no.


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Offlinebigd17
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Re: cooling substrate quickly [Re: bigd17]
    #19379850 - 01/06/14 10:23 PM (10 years, 1 month ago)

Yeah I guess that makes sense as long as nothing can get through that filter.


--------------------
"The secret to success is to make your Vocation a Vacation."
      -Mark Twain

Confucius say,"man who stand on toilet, high on pot."

The answer to the question never asked is always no.


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OfflinecronicrFacebook
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Re: cooling substrate quickly [Re: bigd17]
    #19379858 - 01/06/14 10:24 PM (10 years, 1 month ago)

Quote:

bigd17 said:
Perhaps one could submerge the pot in a sink of cold water and ice maybe just halfway up the sides of the pot. 

Put something heavy on the lid to hold it down.

It's the same method for cooling big pots of soups or sauces before putting them in the fridge to chill.

Of course the reason I ask is if someone else has already thought of this and tried it and ended up getting contaminants due to this then obviously it wouldn't be worth wasting the time to even try.



you would crack all your jars


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

It doesn't matter what i think of you...all that matters is clean spawn

I'm tired do me a favor


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Offlinetwistedty
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Re: cooling substrate quickly [Re: bigd17]
    #19379865 - 01/06/14 10:25 PM (10 years, 1 month ago)

aye youre overthinking it, SFDs with a SAB or FH


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Offlinebigd17
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Re: cooling substrate quickly [Re: twistedty]
    #19379890 - 01/06/14 10:30 PM (10 years, 1 month ago)

haha I overthink everything...  SFD's are filter discs right?

I've read they can be made from tyvek (which I just harvested from my local post office [about the only thing the place is good for if you ask me])

Can you use those on brf cakes by just cutting it into a circle the size of the jar mouth and putting the lid and ring on over it or does it need to be big enough to fold down over the threads on the jar so the ring can hold it in place?


--------------------
"The secret to success is to make your Vocation a Vacation."
      -Mark Twain

Confucius say,"man who stand on toilet, high on pot."

The answer to the question never asked is always no.


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OfflinecronicrFacebook
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Re: cooling substrate quickly [Re: bigd17]
    #19379970 - 01/06/14 10:46 PM (10 years, 1 month ago)

yep filter disc's
and don't bash the post office there good print delivery people and yes you can use sfd's for cakes just skip the dry verm layer, search a tek up for sfd's


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

It doesn't matter what i think of you...all that matters is clean spawn

I'm tired do me a favor


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Offlinebigd17
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Re: cooling substrate quickly [Re: cronicr]
    #19380156 - 01/06/14 11:26 PM (10 years, 1 month ago)

Maybe in Canada their good, in the states they pretty much suck.  Ordered some bags from outgrow and they were "delivered" on Dec. 30th, but not to my house, called a bunch of times and got nothing, finally went up there and they told me there was nothing they could do about it and to contact the sender because the mail was insured. 

Then I was waiting on spores and the website said the shit was at the post office, so I got up at the crack of dawn to get to the office to pick it up and they told me it was out for delivery so I go home to wait and he comes to my house 2 times in one day to drop off mail(talk about inefficient) and doesn't drop the package until the next day.

Plus they're government employees, service with a smile? Try stagnant with a grimace.

Fuck U.S.P.S.


--------------------
"The secret to success is to make your Vocation a Vacation."
      -Mark Twain

Confucius say,"man who stand on toilet, high on pot."

The answer to the question never asked is always no.


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Offlinebigd17
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Re: cooling substrate quickly [Re: bigd17]
    #19380159 - 01/06/14 11:27 PM (10 years, 1 month ago)

However, thank you kind sir for your advice on sfd's.


--------------------
"The secret to success is to make your Vocation a Vacation."
      -Mark Twain

Confucius say,"man who stand on toilet, high on pot."

The answer to the question never asked is always no.


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OfflinecronicrFacebook
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Re: cooling substrate quickly [Re: bigd17]
    #19380163 - 01/06/14 11:28 PM (10 years, 1 month ago)

i'm sorry....:justdontknow:
Quote:

FrankHorrigan said:




:laugh2: i'm just kidding


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

It doesn't matter what i think of you...all that matters is clean spawn

I'm tired do me a favor


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InvisibleFrankHorrigan
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Re: cooling substrate quickly [Re: cronicr]
    #19380202 - 01/06/14 11:43 PM (10 years, 1 month ago)

Quote:

bigd17 said:
I mean even if you leave it in the pc or pot, whatever you use, I would think that the high humidity within not only the pot but also the jars would just be an invitation for bacteria especially considering how long it would be in this temperature danger zone.




Bacteria is not a contaminant of the bulk substrate, unless it is a bacteria that is growing on your grains that you use as spawn.

Proper pasteurization :thumbup:






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

Yes, you can bump my old threads with a question.
Here is how I get things done.
You should take a look. :hehehe:


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OfflineKizzle
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Re: cooling substrate quickly [Re: bigd17]
    #19380232 - 01/06/14 11:53 PM (10 years, 1 month ago)

Quote:

I have taken many a food handler/management safety course and there is a "temperature danger zone" so to speak at which point bacteria is at its peak and grows quickly and more easily.



There may be actually depending on how you sterilize your substrate. There are bacteria that grow only above room temperature and they're the last to die in the sterilization process. However for it make a difference the temperature would have to be raised above room temperature longer than the time it takes for the jars to cool.


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Offlinebigd17
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Re: cooling substrate quickly [Re: FrankHorrigan]
    #19380233 - 01/06/14 11:53 PM (10 years, 1 month ago)

haha that cat is hilarious and no worries man they're still good for the tyvek, at least my tax dollars don't go completely to waste :tongue2:

and do you mean to say that bacteria can't get in through filters if it ends up in the air or on the top of your jar?


--------------------
"The secret to success is to make your Vocation a Vacation."
      -Mark Twain

Confucius say,"man who stand on toilet, high on pot."

The answer to the question never asked is always no.


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InvisibleMarcusFreeman
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Re: cooling substrate quickly [Re: bigd17]
    #19380267 - 01/07/14 12:04 AM (10 years, 1 month ago)

Quote:

bigd17 said:
haha that cat is hilarious and no worries man they're still good for the tyvek, at least my tax dollars don't go completely to waste :tongue2:

and do you mean to say that bacteria can't get in through filters if it ends up in the air or on the top of your jar?





Pretty much. If you are using pf tek, the verm layer is your barrier against contams but you can add micro pore tape over the inoculation holes, if ya'd like.

If you are having issues with contams, it may be the spore source, or the sterile process along the way.

Fwiw, bacteria and contams are all over your jar the second you open that PC. The  sterilizing process just gives your mycelium a head start.


--------------------
"The trick is to use the drugs once to get there, and maybe spend the next ten years trying to get back there without the drug." MJK

As one ends, another begins.



Edited by MarcusFreeman (01/07/14 12:06 AM)


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InvisibleFrankHorrigan
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Re: cooling substrate quickly [Re: MarcusFreeman]
    #19380339 - 01/07/14 12:27 AM (10 years, 1 month ago)

Quote:

MarcusFreeman said:
bacteria and contams are all over your jar the second you open that PC.




Yes, the outside of the jar. That is why we use filters for our sterile media :shake:


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

Yes, you can bump my old threads with a question.
Here is how I get things done.
You should take a look. :hehehe:


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AMU- Get an answer here -AMU


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OfflinecronicrFacebook
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Re: cooling substrate quickly [Re: twistedty]
    #19380354 - 01/07/14 12:31 AM (10 years, 1 month ago)

Quote:

twistedty said:
aye youre overthinking it, SFDs with a SAB or FH



thats synthetic filter discs a still air box or frankhorrigan, loooks like you got your FH:thumbup:


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

It doesn't matter what i think of you...all that matters is clean spawn

I'm tired do me a favor


Edited by cronicr (01/07/14 12:34 AM)


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Offlinetwistedty
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Re: cooling substrate quickly [Re: cronicr]
    #19380358 - 01/07/14 12:33 AM (10 years, 1 month ago)

Quote:

cronicr said:
Quote:

twistedty said:
aye youre overthinking it, SFDs with a SAB or FH



thats synthetic filter discs a still air box or franfhorrigan, loooks like you got your FH:thumbup:




or flow hood either or

:rofldrunk:


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