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Invisiblejpack666
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Re: Bucket Tek vs Pasteurization Thread [Re: Pastywhyte]
    #20100654 - 06/08/14 01:45 PM (9 years, 8 months ago)

Yeah, the presses are probably very hot seeing how well packed this stuff is.


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OfflineMastaBlastar
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Re: Bucket Tek vs Pasteurization Thread [Re: jpack666]
    #20102736 - 06/08/14 11:17 PM (9 years, 8 months ago)

The wiki entry specifically states pasteurizing, not cooking, i rest my case.  And I bet it does not heat up at all in the press.  It takes repeated strikes to generate the type of heat you are talking about or insane pressure that is well beyond what is required to press coir into a brick.


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Edited by MastaBlastar (06/08/14 11:18 PM)


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Re: Bucket Tek vs Pasteurization Thread [Re: MastaBlastar]
    #20102757 - 06/08/14 11:25 PM (9 years, 8 months ago)

still if ya leave some coir hydrated nuthing happens, do that to manure and watch what happens:eek:


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Invisibleblindingleaf
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Re: Bucket Tek vs Pasteurization Thread [Re: cronicr]
    #20102808 - 06/08/14 11:47 PM (9 years, 8 months ago)

just cause there is bacteria on coir, does not mean it is beneficial bacteria for mushrooms :shrug:
u would really have to do some digging to find out what kind of bacteria u are personally trying to save from sterilizing coir.  all we have now is anecdotal evidence from many many posters here that sterilizing coir does not impede successful results in cubensis cultivation.

even if u found some kind of article or journal on this, i would guess where the coir is sourced from would affect the kinds of bacteria found on it.  also, seasonality could affect the presence of certain bacteria over others, making "hard facts about coir substrate prep" difficult to prove.


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OfflineMastaBlastar
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Re: Bucket Tek vs Pasteurization Thread [Re: blindingleaf]
    #20102855 - 06/09/14 12:00 AM (9 years, 8 months ago)

I completely agree, hence why we pasteurize it.  The nature of pasteurization is that certain stuff lives and certain stuff dies at certain temps and it just so happens 140-170 leave what we want.  Same way milk is processed.


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Everything I have said, may say, will say, am thinking about saying and/or thinking/typing/dreaming/writing is in all likelyhood made up and has no factual basis in reality whatsoever, and is likely all plagiarized and copy pasted straight from someone else, so get mad at them .  Just a warning


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Re: Bucket Tek vs Pasteurization Thread [Re: MastaBlastar]
    #20102863 - 06/09/14 12:02 AM (9 years, 8 months ago)

although that is normally why we pasturize it isn't why we treat coir with heat though


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InvisiblePastywhyteMDiscord
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Re: Bucket Tek vs Pasteurization Thread [Re: MastaBlastar]
    #20102868 - 06/09/14 12:03 AM (9 years, 8 months ago)

Except mold does not germinate on it. So it does not matter. I do find that sterilizing has some benefits over pastuerization, probably due to greater access to nutes for the myc.


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Invisibleblindingleaf
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Re: Bucket Tek vs Pasteurization Thread [Re: MastaBlastar]
    #20102879 - 06/09/14 12:05 AM (9 years, 8 months ago)

Quote:

MastaBlastar said:
I completely agree, hence why we pasteurize it.  The nature of pasteurization is that certain stuff lives and certain stuff dies at certain temps and it just so happens 140-170 leave what we want.  Same way milk is processed.




not always.  actinomycetes (fire fang) that grows in healthy, home made compost, dies at 140f.  that is tremendously beneficial to button or cubensis.


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Re: Bucket Tek vs Pasteurization Thread [Re: MastaBlastar]
    #20103731 - 06/09/14 05:44 AM (9 years, 8 months ago)

The post actually says "pasteurized with boiling water". It sounds more like the bucket tek than proper pasteurization.

But, it's just a Wikipedia entry, so it's not the authority a case should be rested on.

If anyone can post a link to specific details on how coir is made in to bricks, that would be great. I'm interested in temperature and time. Seems like I saw something somewhere, but I can't find it now.


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Edited by SpitballJedi (06/09/14 08:07 AM)


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OfflineMastaBlastar
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Re: Bucket Tek vs Pasteurization Thread [Re: SpitballJedi]
    #20104603 - 06/09/14 11:05 AM (9 years, 8 months ago)

I did post a link with pictures AND a video of people feeding husks into a shredder as well as the machine that compresses the bricks.  Al done in the open air, outside, and the compressions machine you can easily see does not produce heat or in any way heat the bricks.  You dry the husks, shred them to desired consistency, and press them into bricks. 


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Everything I have said, may say, will say, am thinking about saying and/or thinking/typing/dreaming/writing is in all likelyhood made up and has no factual basis in reality whatsoever, and is likely all plagiarized and copy pasted straight from someone else, so get mad at them .  Just a warning


Edited by MastaBlastar (06/09/14 11:10 AM)


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Re: Bucket Tek vs Pasteurization Thread [Re: MastaBlastar]
    #20104609 - 06/09/14 11:06 AM (9 years, 8 months ago)

those presses are fucking expensive lol


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Re: Bucket Tek vs Pasteurization Thread [Re: MastaBlastar]
    #20104616 - 06/09/14 11:07 AM (9 years, 8 months ago)

cool.  I'm all for proper pasteurization man, i don't wanna come off as someone who doesn't understand what the benefits of it are.  i just think for whatever reason, coir is a substrate that does not necessarily benefit from pasteurization over sterilization, and probably the only substrate that could make that claim.
recently, i have been pasteurizing it, but thats cause i mix it with poo.
I've also combined sterilized coir and pasteurized straw (obviously prepped separately) with success.


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Re: Bucket Tek vs Pasteurization Thread [Re: blindingleaf]
    #20105777 - 06/09/14 03:41 PM (9 years, 8 months ago)

Quote:

i just think for whatever reason, coir is a substrate that does not necessarily benefit from pasteurization over sterilization, and probably the only substrate that could make that claim.



And vermiculite which doesn't really benefit from either, at least if it hasn't been sitting around collecting dust.


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Re: Bucket Tek vs Pasteurization Thread [Re: blindingleaf]
    #20106039 - 06/09/14 04:36 PM (9 years, 8 months ago)

From my research, and from statements from long time TC's, you CAN get by without pproper pasteurization, and you can sterilize w/e, the bucket tek is like close enough to proper pasteurization that its ok.  As soon as you open the lid to stir and p[ut your grubby hand in it you are re-introducing pretty much everything so partial sterilization may not matter as much due to this.  :shrug:  But long term I see people saying yes you can get lucky without heat treatment, and you can get luck sterilizing (I imagine colonized coir is as contam resistant as colonized grain).  SO if your grow/spawn room is clean and you use goo procedure, you really are just keeping contams from being introduced in the first place.  I KNOW that when I improperly pasteurize, I get mean green a week into being spawned with coir as my grow space is near impossible to keep the air clean, BUT when i do pasteurize properly, I get 3 flushes easy.  bleach is your friend.


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Re: Bucket Tek vs Pasteurization Thread [Re: MastaBlastar]
    #20106166 - 06/09/14 05:04 PM (9 years, 8 months ago)

You're using brown coir right?


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Re: Bucket Tek vs Pasteurization Thread [Re: Kizzle]
    #20106248 - 06/09/14 05:22 PM (9 years, 8 months ago)

Well I'm somewhere around 60 sterilized coir subs spawned in open air with no issues. My house is old, with dogs that shed like mad, I'm not especially careful when spawning and I have had no issues that I could not trace back to inoculate.

My last couple tubs to contam shortly after the first flush were properly pastuerized coir verm, and I only did those that way cause my sterilizer was full of grain. It was bad spawn no question.


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Re: Bucket Tek vs Pasteurization Thread [Re: Pastywhyte]
    #20107513 - 06/09/14 09:55 PM (9 years, 8 months ago)

Spawn can become contaminated while spawning. It wasn't necessarily that the jars were contaminated for it to be the spawn. Freshly spawned grains are vulnerable to contamination for a couple days while they recover.


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Re: Bucket Tek vs Pasteurization Thread [Re: Kizzle]
    #20107577 - 06/09/14 10:10 PM (9 years, 8 months ago)

Never heard that before. Not that i doubt you but the common consensus is that fully colonized grains are contamination resistant.

At any rate I know that it was the spawn for those tubs as I went back and checked the plates used to inoculate and found a sneaky contam in them. I now am more wary of only doing a single transfer from spores,  especially with prints I did not take myself.


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OfflineMastaBlastar
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Re: Bucket Tek vs Pasteurization Thread [Re: Pastywhyte]
    #20107616 - 06/09/14 10:22 PM (9 years, 8 months ago)

It was not possible the contam came after you made your transfer?


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Re: Bucket Tek vs Pasteurization Thread [Re: MastaBlastar]
    #20107666 - 06/09/14 10:38 PM (9 years, 8 months ago)

Possible but not likely.  If so that means the only two coir verm subs I bothered to properly pasteurize in the last 6 months are also the only ones I have had contam pre first flush. I had two others contam after the first flush on sterilized subs which were the only ones where I attemped to inoculate the spawn master with a ms syringe.  Otherwise all my sterilized coir verm subs (around 60, including enoki, reishi and other species) have done excellent. Sterilized coir verm has been pretty good to me so far :shrug:


Edited by Pastywhyte (06/09/14 10:45 PM)


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