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OfflineSgt. Pepper
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Proper pasteurization in a bucket
    #19216599 - 12/02/13 10:27 AM (10 years, 2 months ago)

So recently there's been a lot of talk about modifying the bucket tek to make it more reliable. I decided to put some of your ideas to the test today. I got out my trusty 5 gallon bucket, a half brick of coir, a quart of verm, and a handful of gypsum. I hand shredded the coir and put all the ingredients in my bucket and put 2 quarts of water on the stove. Instead of heating the water to boiling, I heated it until it reached 195 degrees. Then I pored it into my bucket, stired it up really good, and took the temperature which was 175. I waited until it got down to about 170 and put the lid on. In an hour I'll check the temps again and cool it off by putting ziplock bags full of ice into the bucket. If the temps remain above 140 degrees for at least an hour, I would call this proper pasteurization. I know there will be debate, but I just wanted to get some facts together and assess the validity of the modified bucket tek.  See you guys in about  45 minutes.


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Offlinecgsjames
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Re: Proper pasteurization in a bucket [Re: Sgt. Pepper]
    #19216738 - 12/02/13 11:08 AM (10 years, 2 months ago)

............Bump..........  Really would like to know too. And would this tec be prone to becoming wet and soggy?


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InvisibleSkinty
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Re: Proper pasteurization in a bucket [Re: cgsjames]
    #19216760 - 12/02/13 11:14 AM (10 years, 2 months ago)

I tried something fairly similar. Added about 3/4 of the total volume of water at 190 then half hour later mixed and added the rest of the water also at 190. Left that for about 90 minutes then but the bucket outside to cool. First flush coming along nicely....be interesting to see if there are any visible contams before 2nd flush :thumbup:


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OfflineSgt. Pepper
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Re: Proper pasteurization in a bucket [Re: Skinty]
    #19216785 - 12/02/13 11:21 AM (10 years, 2 months ago)

Quote:

Skinty said:
I tried something fairly similar. Added about 3/4 of the total volume of water at 190 then half hour later mixed and added the rest of the water also at 190. Left that for about 90 minutes then but the bucket outside to cool. First flush coming along nicely....be interesting to see if there are any visible contams before 2nd flush :thumbup:



This is a great idea. So the final temps after an hour are 138! I probably shouldn't have left the bucket on my cold concrete garage floor :facepalm3: I'm gonna cool it off with some ice in a bag and call it good enough, but only since it's coir. This clearly has some potential though. If I kept it better insulated, it would have stayed at proper pasteurization temperatures for over an hour. I think our goal should be to fix the bucket tek to the point that we could use it for horse poop. Based on my results, I am very optimistic. In the future, I may use a bucket within a bucket, or submerge the bucket in a hot water bath. In conclusion, this attempt was partially successful, but it gives me hope for the bucket tek.


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InvisibleSkinty
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Re: Proper pasteurization in a bucket [Re: Sgt. Pepper]
    #19216793 - 12/02/13 11:25 AM (10 years, 2 months ago)

My bucket is super insulated i.e. holds heat really well whilst outside is cold enough that will still cool pretty quick when out there. < Bit of a contradiction there but I was pretty optimistic with how it went :thumbup:


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OfflineSgt. Pepper
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Re: Proper pasteurization in a bucket [Re: Sgt. Pepper]
    #19216799 - 12/02/13 11:26 AM (10 years, 2 months ago)

Also, if I had been doing a full batch I am confident that it would have remained above proper pasteurization temperatures. I plan on doing pan cyans in the very near future and I will be using hpoo, I will use this method of pasteurizaton as I am very confident in it's reliability as of now.


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Offlinehgmstl
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Re: Proper pasteurization in a bucket [Re: Sgt. Pepper]
    #19216801 - 12/02/13 11:27 AM (10 years, 2 months ago)

Wouldn't the initial temps be the main problem with the bucket tek? Temps above pasteurization? Also what is your plan for rapid cooling after the hour?


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OfflineSgt. Pepper
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Re: Proper pasteurization in a bucket [Re: Skinty]
    #19216803 - 12/02/13 11:28 AM (10 years, 2 months ago)

Quote:

Skinty said:
My bucket is super insulated i.e. holds heat really well whilst outside is cold enough that will still cool pretty quick when out there. < Bit of a contradiction there but I was pretty optimistic with how it went :thumbup:



I'm sorry, what are you saying?


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InvisibleSkinty
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Re: Proper pasteurization in a bucket [Re: hgmstl]
    #19216807 - 12/02/13 11:28 AM (10 years, 2 months ago)

^^ that's why we are introducing water that is a lower temp to boiling. My rapid cooling plan is to stick it outside but what the heck do what you like :shrug:


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InvisibleSkinty
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Re: Proper pasteurization in a bucket [Re: Sgt. Pepper]
    #19216810 - 12/02/13 11:30 AM (10 years, 2 months ago)

Quote:

Sgt. Pepper said:
Quote:

Skinty said:
My bucket is super insulated i.e. holds heat really well whilst outside is cold enough that will still cool pretty quick when out there. < Bit of a contradiction there but I was pretty optimistic with how it went :thumbup:



I'm sorry, what are you saying?




Sorry my post did not make much sense!

I was responding to
Quote:

I probably shouldn't have left the bucket on my cold concrete garage floor


...

Ignore my past comment I was basically trying to say to use a well insulated (plastic) bucket and put in a cold place when done. Pretty obvious really :lol:


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Offlinehgmstl
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Re: Proper pasteurization in a bucket [Re: Skinty]
    #19216811 - 12/02/13 11:31 AM (10 years, 2 months ago)

Would 195 to 170 water partially sterilize a little bit?


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InvisibleFrankHorrigan
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Re: Proper pasteurization in a bucket [Re: Sgt. Pepper]
    #19216818 - 12/02/13 11:32 AM (10 years, 2 months ago)

Quote:

Sgt. Pepper said:
So recently there's been a lot of talk about modifying the bucket tek to make it more reliable.




Actually this sort of talk happened a few months ago, and a few months before that, and so on.

You can get away with crappy pasteurization because it is coir.  In which case, the bucket tek works fine. Hell, even sterilized coir spawned in open air works.

But you can't judge your bucket tek by coir and any kind of attempt at this using hpoo (or even just additives like coffee) is going to result in quick failure.

So be careful what you call "proper" pasteurizing if your only basis for judgement is coir and verm.


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Offlinehgmstl
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Re: Proper pasteurization in a bucket [Re: hgmstl]
    #19216820 - 12/02/13 11:32 AM (10 years, 2 months ago)

Not trying to attack. Just trying to understand.
Since 195 to like 165 are above pasteurization. Sorry not being super accurate but you understand.


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InvisibleFrankHorrigan
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Re: Proper pasteurization in a bucket [Re: hgmstl] * 1
    #19216825 - 12/02/13 11:35 AM (10 years, 2 months ago)

Partial sterilization occurs when the core temp of a substrate that has been evenly heated reaches about 170F.

Partial sterilization is not the sterilizing of parts of the substrate, but the microbial activity as a whole.

Bucket tek does not heat evenly so there is no way to judge your core temp, nor will it necessarily be the highest temp in the bucket while the clock is ticking.

When properly pasteurizing, you can heat the outer edges all the way to boiling temps and, as long as the core does not exceed 170F, you will still be pasteurizing.


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Yes, you can bump my old threads with a question.
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You should take a look. :hehehe:


Frank's tips and tricks. Updated on 3/21/14
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OfflineSgt. Pepper
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Re: Proper pasteurization in a bucket [Re: Skinty]
    #19216827 - 12/02/13 11:35 AM (10 years, 2 months ago)

Quote:

Skinty said:
^^ that's why we are introducing water that is a lower temp to boiling. My rapid cooling plan is to stick it outside but what the heck do what you like :shrug:



Oh gotcha! I'm sorry, I just didn't understand what you were saying. That may work, but part of the reason why people say the bucket tek doesn't work is that the temps stay too high too long when boiling water is added. If you managed to get the perfect temperature of the water so that the contents of the bucket got below pasteurization temperatures with the addition of the cold from outside then I see no reason why it wouldn't work. I only suggest putting something cold inside the bucket so that it will  cool off rapidly when you want it  too so you won't risk over pasteurization, but like I said, if you find the perfect temperature to be able to put it outside, then by all means do it, we need more experimentation on the subject for sure.


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Offlinehgmstl
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Re: Proper pasteurization in a bucket [Re: FrankHorrigan]
    #19216831 - 12/02/13 11:37 AM (10 years, 2 months ago)

Thanks for clarifying.


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InvisibleFrankHorrigan
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Re: Proper pasteurization in a bucket [Re: Sgt. Pepper]
    #19216833 - 12/02/13 11:37 AM (10 years, 2 months ago)

Quote:

Sgt. Pepper said:
we need more experimentation on the subject for sure.




Here's a huge thread.


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


Frank's tips and tricks. Updated on 3/21/14
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OfflineSgt. Pepper
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Re: Proper pasteurization in a bucket [Re: hgmstl]
    #19216842 - 12/02/13 11:39 AM (10 years, 2 months ago)

Quote:

hgmstl said:
Not trying to attack. Just trying to understand.
Since 195 to like 165 are above pasteurization. Sorry not being super accurate but you understand.



Yes, I understand. The temps fell from 195 to 175 instantly when I added the water. And I know that 175 is above proper pasteurization, but I stirred it and it dropped 5 or 10 degrees pretty much immediately. So yeah, it was a little hot, but for a very short period of time which I am hoping is negligible.


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OfflineSgt. Pepper
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Re: Proper pasteurization in a bucket [Re: FrankHorrigan]
    #19216847 - 12/02/13 11:41 AM (10 years, 2 months ago)

Quote:

FrankHorrigan said:
Quote:

Sgt. Pepper said:
we need more experimentation on the subject for sure.




Here's a huge thread.



Thank you for the link, always good to have more info. That thread is where I got several ideas such as shredding the coir.


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Edited by Sgt. Pepper (12/02/13 11:42 AM)


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InvisibleFrankHorrigan
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Re: Proper pasteurization in a bucket [Re: Sgt. Pepper]
    #19216858 - 12/02/13 11:43 AM (10 years, 2 months ago)

All that info explaining how and why bucket tek will never properly pasteurize something and you just say thanks for the link? :lol:

Here'e another.

These are full of the kinds of responses that are going to appear here too.

Bucket tek will never work as proper pasteurization.

Coir doesn't need proper pasteurization to work.

So you can't call something proper pasteurization when it isn't. Esp when you are judging by coir and verm. :shrug:

Want to impress people? Get hpoo to work with a bucket. Then you'll impress a lot of folk.


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

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


Frank's tips and tricks. Updated on 3/21/14
AMU- Get an answer here -AMU


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