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OfflinePrinceShroom
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Re: Bucket Tek vs Pasteurization Thread [Re: maddchef]
    #18869998 - 09/20/13 10:42 PM (10 years, 5 months ago)

Quote:

maddchef said:

2 bricks in a single bucket. Poured 5 quarts 175 degree water in, quickly stirred and sealed. 25 minutes or so later came back to a temp of 167. Open and poured 3 remaining quarts of water at 165-170 into the hydrated and already pretty much fully expanded coir.




Is this with verm or without?


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Invisiblemaddchef
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Re: Bucket Tek vs Pasteurization Thread [Re: PrinceShroom]
    #18870014 - 09/20/13 10:47 PM (10 years, 5 months ago)

I didn't use verm with this, no. And my water content was a bit off so it woulda been helpful. But it shouldn't make a difference except with water quantities.

The verm when wet will hold heat better as well.


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Invisiblebulkgrownoob
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Re: Bucket Tek vs Pasteurization Thread [Re: Kizzle]
    #18871591 - 09/21/13 10:58 AM (10 years, 5 months ago)

Quote:

Kizzle said:
Quote:

retaardvark said:
Quote:

Kizzle said:
To reiterate I don't see how you can preserve bacteria that doesn't exist in the first place and thats what pasteurization supposed to be about... killing molds while preserving bacteria. Compare that to sterilization which is killing everything. Due to the nature of coir there should be no significant amount of bacteria on it that could survive pasteurization nor a significant amount of mold spores that need to be killed.

The only thing I can think of is with the different brands being manufactured, maybe some are being contaminated with other materials. I've heard people mention finding seeds in their coir which I never have. As of yet no one has come up with a particular brand that seems to fail with the bucket tek but maybe there is one.




I came across information online that suggested the mechanism of pasteurization is allowing thermophilic organisms to gain significant foothold on substrate nutrient. I asked a few people steeped in microbiology and they said it seemed plausible.

When you're hydrating your substrate, it doesn't matter if it came sterile in the package, it now has many millions of organisms throughout it just by nature of working in open air, with tap water, etc.

I asked about this a week ago for review and nobody commented. :shrug:



You're missing an important aspect. The bacteria we try to keep alive by pasteurizing has already colonized the substrate, that what gives it the upper hand. Any time you move bacteria to a new substrate there is a lag time as it adapts to grow there. So even if you were to add the same species and amount of bacteria to sterile substrate as what would have been present had it been pasteurized instead of sterilized it would still not be the equivalent of pasteurization.

As I mentioned earlier for bacteria to antagonize mold it needs to be present in sufficient amount. That amount will not be achieved simply from relatively small amounts of airborne bacteria landing on it nor will it be uniform throughout the substrate. The bacteria needs to have already been established there in significant numbers throughout the substrate and they need to have already adapted themselves to grow there. When that happens mold is going to have a harder time acquiring the nutrients it needs for the spores to germinate and grow.



Would hydrating coir to field capacity and leaving it in a bucket for a week before pasteurizing give the bacteria enough time?


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OfflineKizzle
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Re: Bucket Tek vs Pasteurization Thread [Re: bulkgrownoob]
    #18872531 - 09/21/13 02:41 PM (10 years, 5 months ago)

I don't know what the actual lag time would be. On highly nutritious substrate it could be as little as a few hours otherwise it could be much longer assuming the nutrients are available for the bacteria to reproduce at all.

Something that occurred to me, I wonder if coco peat (partially degraded fibers) might sometimes be labeled as coco coir.


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InvisibleSpitballJedi
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Re: Bucket Tek vs Pasteurization Thread [Re: Kizzle]
    #18873141 - 09/21/13 05:29 PM (10 years, 5 months ago)

Quote:

SpitballJedi said:
Quote:

Kizzle said:
To reiterate I don't see how you can preserve bacteria that doesn't exist in the first place...




But I find it very difficult to believe coir produced on another continent on the other side of the world can make it all the way to my house without picking up many molds and bacteria/endospores. :shrug:








Quote:

Kizzle said:
You're missing an important aspect. The bacteria we try to keep alive by pasteurizing has already colonized the substrate, that what gives it the upper hand. Any time you move bacteria to a new substrate there is a lag time as it adapts to grow there. So even if you were to add the same species and amount of bacteria to sterile substrate as what would have been present had it been pasteurized instead of sterilized it would still not be the equivalent of pasteurization.

As I mentioned earlier for bacteria to antagonize mold it needs to be present in sufficient amount. That amount will not be achieved simply from relatively small amounts of airborne bacteria landing on it nor will it be uniform throughout the substrate. The bacteria needs to have already been established there in significant numbers throughout the substrate and they need to have already adapted themselves to grow there. When that happens mold is going to have a harder time acquiring the nutrients it needs for the spores to germinate and grow.




It seems like you have at least some basic understanding of the microbiology going on, but I think the foundation your argument is built on is shaky.

I can agree that desired pathogens needs to be present in sufficient amount to ward off unwanted pathogens, but it's relative.

If you just add room temperature water, then a small amount of a particular pathogen may not be able to compete. If you look back in to some older threads, you will find people doing this without much success.

But if you pasteurize, then, what was once a small amount of thermophilic organisms, now has open reign to colonize.

If you sterilize, then like you said, you basically kill everything. From what I've read, more people have had success with sterilizing coir than just adding room temperature water.

If your substrate has spots that don't get up to pasteurization temperature for the right time, then the unwanted pathogens are not killed off.

I think you under estimate the amount of pathogens that are in our atmosphere.

The comparison between room temperature water and sterilizing success rates indicate there are pathogens in the recipe.

Then you add tap water, vermiculite, and gypsum and then you have many pathogens.

Coir/verm/gyp/water is considered contam resistant, many say it's very contam resistant. But nobody says it's contam proof. Fact is, many molds, fungus, and bacteria will colonize it.

Being as it's a fact that it's not contam proof, then by definition some times it contams.

But none of this explains why some people can have better success with the bucket tek than others. It would seem everyone should have the same success rate, but it's just not true.


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OfflineKizzle
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Re: Bucket Tek vs Pasteurization Thread [Re: SpitballJedi]
    #18874497 - 09/22/13 01:26 AM (10 years, 5 months ago)

I'm not aware of anyone even attempting to use coir on a significant basis without any kind of heat treatment for growing mushrooms to use for comparison. In it's other uses though, reptile bedding, hydroponics, piping insulation, rope, it's certainly shown itself to be highly resistant for long periods of time when wet.

Considering the difficulty in digesting lignin it seems likely any bacteria or fungi inhabiting the coir are going to require other food sources. So to put it in perspective...

For pasteurization to reduce contamination over sterilization bacteria are required to inhabit the substrate.

For bacteria and/or fungi to be capable of inhabiting the substrate they would most likely require additional food sources, not just coir fiber.

Whether or not other food sources are present could vary depending on the purity of the product leading to some product supporting more microbial activity, hence suffering from a lack of proper pasteurization.


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OfflineMidnight Cyclone
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Re: Bucket Tek vs Pasteurization Thread [Re: Kizzle]
    #18875029 - 09/22/13 08:16 AM (10 years, 5 months ago)

Quote:

TheApprentice said:
Quote:

PrinceShroom said:
:popcorn:
I prefer a proper pasteurization





I always bring my substrate to field capacity and then pasteurize it.

If you use the bucket tek, buy a meat thermometer and check the temp to make sure it is actually being pasteurized. 

I'm not sure the bucket tek was invented to replace pasteurization, rather just another way to do it.  The problem people run in to with the bucket tek is that their boiling water cools off under the pasteurization temp, allowing trich or other molds to take hold of the substrate.

No, the intention of the bucket tek was to use the bucket as a pasteurization vessel.  Not in place of pasteurization.




I've been waiting for someone to point this out. The Damion5050, "bucket tek" as you refer to it, is titled "My Elementary Coir Tek." The bucket tek is used for COIR, which is highly contamination resistant. Nowhere in his thread does he mention that this is a substitute for "proper pasteurization" of other possible substrate compositions such as using poo or straw. It's for coir.

I've sterilized and pasteurized coir to see if I could get anything noticeable but saw little to no difference in the substrate's ability to produce mushrooms. On that note, THIS is why the bucket tek works for coir. Even a coir substrate which has been improperly pasteurized (partial sterilization) will/should work out the same because of how cotamination resistant coir is.

TL (a Trusted Cultivator) had something to say regarding this argument in another thread I found:

Quote:

TranscendingLife said:
I use the bucket tek 99% of the time without a contam.
The only one I've gotten was due to improperly mixing the spawn with the substrate, which caused it to take way too long to colonize.

As far as cleaning the room I would:
Take everything out & clean it well. While that's all drying,
Vacuum the room well, then Oust it immediately after.
Wipe down all the walls & surfaces with bleach+water solution then a vinegar solution.
Oust the room again & then put everything back in the room that is needed.
Be sure to have the AC or heat off during the entire process.

There's mold spores all over your house, clothing, outside, etc.
The reason most don't get contams is because of proper sterile procedures prior to doing mycology work.

I'm extremely paranoid concerning contams and sterile procedures.
Here's what I do for spawning to bulk:

Spawning to Bulk:

1.Break up Your Spawn Jars by Banging them on a Stack of Phone Books or a Bike tire like RR uses.
2.Sterile Procedure:
    a.Turn off Heat/AC, Shut all windows & turn off all Fans.
    b.Oust Room
    c.Shower, wash hands, glove hands & wear a surgical mask.
    d.Oust once more
    e.Clean the inside of the tubs (make sure it dries before proceeding)
    i.I normally Unscrew the lids on my Spawn jars @ this time.

Here's what I do for everything else:

1. Turn off the Air/Heat in your Place.
2. Enter Clean room & break up spawn jar on a stack of phonebooks or bike tire.
3. Oust Entire Room Well.
4. Take a shower, brush teeth & use mouthwash.
5. Put on freshly laundered clothing, glove hands & put on surgical mask.
6. Enter Clean Room with the Receiving Jars
  - Get everything organized
7. Oust Room Well, again.
  - While that settles I spray down my paper towels with isopropyl alcohol
8. Open SAB & clean it. Be sure to wipe down the lid last.
  - You can use a bucket of warm water with dishsoap, bleach water mixture or isopropyl alcohol.
  - Personally, I use my bleach water.
  - Once I get the interior of my SAB wet, I line the bottom w/ paper towels & spray them down with my bleach water mixture.
  - You want to be sure to have the bottom of your SAB wet that way if a contam falls it'll be stuck to the bottom of the SAB.
9. Wipe Down the Interior of your SAB then your Lid to your SAB.
10. Now I place my lid on my SAB leaving about 1/2 of the SAB open.
11. Wipe down your Receiving jars w/ your iso soaked paper towels extremely well.





The bucket tek never let me down, contamination-wise. The only problem I ever had, which I've mentioned before, was the ability to get good water content. People have been trying to "fix" the bucket tek for a while now. It's not meant to be fixed. The bucket tek is for coir.


Quote:

SpitballJedi said:
If you are keeping appropriate temperatures for the appropriate time, then you are no longer talking about the bucket tek as referenced in my OP. You are talking about proper pasteurization in a bucket.

The heart of this discussion is not about how to fix the bucket tek, but whether or not it's the source of some peoples' contamination woes and whether or not some should stop using it.




Are you trying to discredit Damion or something? I just don't see where this is going.

People, if you are going to use coir then try the bucket tek before you go through the trouble to properly pasteurize. The bucket tek is terribly easy compared to loading jars and worry about maintaining temperatures for the full amount of time just to prep coir. If you find the bucket tek fails you, then don't use it. It's a better feeling knowing you've properly pasteurized anyways, and in the end cutting corners will cut yields.

If you're planning to use poo or pretty much anything other than coir/verm, please just properly pasteurize in jars or bags and avoid trying to pass blame on a technique that was meant to prep a coir substrate.

I could find countless threads where the bucket tek has worked. Not to mention the grow log in my sig in which I used Damion's coir tek.
And from that last link, ------------------------------------------^^^

Quote:

LayinUp said:
I prepare my coir using Damion5050's coir tek. I prefer to use horse manure as well as spent coffee grounds in my grows, but 3+ hours spent properly pasteurizing such a sub is so much more tedious than simply pouring boiling water into a 5 gallon bucket. I've had great success with the simpler coir sub in the past, and never any contamination.




I don't know how much more this needs to be discussed. If Damion5050's coir tek works for you, keep on keepin' on. If it doesn't, then continue to pasteurize your substrate in jars/bags. You can sleep well knowing it's 100% right and there's no guesswork (like in my case, when it comes to having a properly hydrated substrate).

I hope I can help put an end to this discussion with all that I've said here, it's getting kind of redundant. :shrug:


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InvisibleSpitballJedi
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Re: Bucket Tek vs Pasteurization Thread [Re: SpitballJedi]
    #18875450 - 09/22/13 10:49 AM (10 years, 5 months ago)

Quote:

Midnight Cyclone said:
I've been waiting for someone to point this out. The Damion5050, "bucket tek" as you refer to it, is titled "My Elementary Coir Tek." The bucket tek is used for COIR and vermiculite.




I fixed that for you. Many people also use gypsum and tap water. You can't leave those out of the equation.

Quote:

Midnight Cyclone said:
Are you trying to discredit Damion or something? I just don't see where this is going.




Quote:

SpitballJedi said:
First, I want to say that this thread is not intended to debunk The Bucket Tek. But, I would like to potentially dispel some of the rhetoric.




That's the very first line in the OP:shrug:

Quote:

SpitballJedi said:
My intention is to potentially help those who are struggling like I was.
[/quote

Quote:

Midnight Cyclone said:
People, if you are going to use coir then try the bucket tek before you go through the trouble to properly pasteurize. The bucket tek is terribly easy compared to loading jars and worry about maintaining temperatures for the full amount of time just to prep coir. If you find the bucket tek fails you, then don't use it.





Quote:

Midnight Cyclone said:I don't know how much more this needs to be discussed. If Damion5050's coir tek works for you, keep on keepin' on. If it doesn't, then continue to pasteurize your substrate in jars/bags.




Quote:

SpitballJedi said:
So, if you've never tried the bucket, by all means give it a shot. There is a good chance you will be successful. However, if you are having contam problems, consider my thoughts and keep this thread in mind.




Quote:

Midnight Cyclone said:
I hope I can help put an end to this discussion with all that I've said here, it's getting kind of redundant. :shrug:




You are free to ignore this thread if it annoys you. You can't put an end to this discussion, it will have to die on it's own.

You are also free to post as much anecdotal evidence as you like, but I already addressed that in the OP:

Quote:

SpitballJedi said:
I've been using the bucket tek for a long time with great success. I rarely get a contam before the second flush.
Another testimonial. I don't doubt it and that is awesome. But, not everyone has the same results and that's a fact that can't be denied. Therefore, it's not a valid argument, it's merely an experience.

But, so many people use the bucket tek with great success.
That is also true; I would be a fool to deny it. But, see the above argument.




...but thank you for contributing to the redundancy.


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OfflineKizzle
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Re: Bucket Tek vs Pasteurization Thread [Re: SpitballJedi]
    #18876462 - 09/22/13 03:39 PM (10 years, 5 months ago)

It think it would actually be helpful if people could mention what kind of coir they've used with the bucket tek or similar method and whether or not they've had problems and what kind of problems. Also might be helpful to mention if you've found anything unusual like seeds in your coir. Otherwise all we can do is speculate.

I've mainly just used the Eco Earth reptile bedding both the shredded and bricks and only in a few isolated instances of mold
since I started inoculating all my jars with clean agar cultures. However, before that it wasn't all that unusual to occasionally lose a tray to mold.


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OfflineMidnight Cyclone
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Re: Bucket Tek vs Pasteurization Thread [Re: Kizzle]
    #18876700 - 09/22/13 04:29 PM (10 years, 5 months ago)

So, literally, this discussion breaks down to this:

1. Try the bucket tek for coir (and vermiculite. excuse me, but doesn't verm naturally follow coir in this discussion? sorry, that just sounded almost condescending and definitely redundant. I'm trying to help here, not hinder) because it's very simple and beginner friendly.

2. If the bucket tek fails you after a couple tries, then properly pasteurize. Now, this bucket tek is only valid for coir/verm substrates.
  -ANY additives including poo, straw, coffee grounds, etc. are to be properly pasteurized if you're to guarantee 0% (or minimalize) failure rate due to contamination.

3. If you find that you're still contaminating after taking care to properly pasteurize, then you should look over sterile procedures and highly consider your spawn as a culprit.

Have anything to add?


Quote:

Kizzle said:
I've mainly just used the Eco Earth reptile bedding both the shredded and bricks and only in a few isolated instances of mold since I started inoculating all my jars with clean agar cultures. However, before that it wasn't all that unusual to occasionally lose a tray to mold.




I've mainly used eco earth as well and I have what I consider good results.

I don't find anything unusual in my coir. The occasional stick, nothing out of the ordinary. If anything, I've been finding more corn and sunflower seeds in my WBS.. but that's neither here nor there.


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OfflineKizzle
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Re: Bucket Tek vs Pasteurization Thread [Re: Midnight Cyclone]
    #18877052 - 09/22/13 05:46 PM (10 years, 5 months ago)

Quote:

Have anything to add?



If a person is going to hang around the stove anyway, like while sterilizing spawn jars, it really wouldn't be any extra work or time to  do a controlled pasteurization. So for some people and some circumstances there's really no reason not to properly pasteurize anyway.

What concerns me is the majority of the time when I see someone complaining about the bucket tek not working the circumstances suggest contaminated spawn as the cause. This is the common scenario I see:

Cultivator recently starts performing g2gs. Cultivator's contamination rate suddenly jumps to 100% after spawning, all trich, all showing up before or during the first flush. Cultivator insists that since their spawn appears healthy the bucket tek must be to blame.

Those kind of extreme and consistent results aren't likely to be solely from pasteurization method no matter which bulk substrate you're using or how crappy you're pasteurization procedure is.


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InvisibleSpitballJedi
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Re: Bucket Tek vs Pasteurization Thread [Re: Midnight Cyclone]
    #18877389 - 09/22/13 06:53 PM (10 years, 4 months ago)

Quote:

Midnight Cyclone said:
1. Try the bucket tek for coir (and vermiculite. excuse me, but doesn't verm naturally follow coir in this discussion?




Not necessarily. Not to everyone who may be reading.

Quote:

Midnight Cyclone said:
sorry, that just sounded almost condescending and definitely redundant. I'm trying to help here, not hinder) because it's very simple and beginner friendly.




I was under the impression you wanted to put this conversation to an end.
Quote:

Midnight Cyclone said:
I hope I can help put an end to this discussion with all that I've said here, it's getting kind of redundant. :shrug:




But yet, you keep coming back:shrug: There's a word for when something happens over and over pointlessly, but I can't think of it right now.

Quote:

Midnight Cyclone said:
2. If the bucket tek fails you after a couple tries, then properly pasteurize. Now, this bucket tek is only valid for coir/verm substrates.
  -ANY additives including poo, straw, coffee grounds, etc. are to be properly pasteurized if you're to guarantee 0% (or minimalize) failure rate due to contamination.

3. If you find that you're still contaminating after taking care to properly pasteurize, then you should look over sterile procedures and highly consider your spawn as a culprit.

Have anything to add?





I agree. We came full circle. We are on the same page. It was a long road, but we got there.:thumbup:

At this point, neither of us really have anything to add. Most of what I had to say on the subject is in the OP.

Gosh, that word still escapes me.

P.S. All I've ever used is eco-earth bricks.


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Edited by SpitballJedi (09/22/13 06:56 PM)


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Offlinenepter627
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Re: Bucket Tek vs Pasteurization Thread [Re: SpitballJedi]
    #18877664 - 09/22/13 07:57 PM (10 years, 4 months ago)

didnt get a response on my post so ill try this one.



"second run at trying to pasteurize in a bucket.


Prep Work.

Took a brick of coir. grated it down to a fine dust with a cheese grater so it would hydrate quickly.
added two quarts verm. (fine verm)

took  5 quarts water. heated to 175 degrees let it drop to 162 before dumping in bucket.

mixed and packed down coir as much as i could. (it was hard since it was hot.)


check temperature an hour an a half later with digital thermometer
read 142.3


im guessing ive successfully pasteurized in a bucket.


right?"


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Re: Bucket Tek vs Pasteurization Thread [Re: nepter627]
    #18877720 - 09/22/13 08:06 PM (10 years, 4 months ago)

Quote:

SpitballJedi said:
`This is not a "How to". This is not about tips and tricks of various methods. Simply just bucket vs pasteurization.**Edit** What I mean is, if you don't understand how the bucket tek or pasteurization is done, then this thread may not be for you.




Sorry your question didn't get answered. It shouldn't be asked or answered here. Wait 24 hours and you can bump your OP.

Thank you for your cooperation and helping this thread from getting side tracked.


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Re: Bucket Tek vs Pasteurization Thread [Re: SpitballJedi]
    #19090843 - 11/05/13 03:57 PM (10 years, 3 months ago)

For cooling anything for pasteurization I use an ice wand.



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Re: Bucket Tek vs Pasteurization Thread [Re: PrinceShroom]
    #19194301 - 11/26/13 09:19 PM (10 years, 2 months ago)

Quote:

FrankHorrigan said:
Proper pasteurization eliminates one "what if" in the grand scheme of things, from spore to shroom. That's worth it to me.




:whathesaid:

After a couple encounters with the green I moved on to 'proper pasteurization' and never looked back.:cookiemonster:


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Re: Bucket Tek vs Pasteurization Thread [Re: PirateSwazey]
    #19194351 - 11/26/13 09:34 PM (10 years, 2 months ago)

I've always used the bucket tek, still do. I was surprised when I came back to the shroomery from a hiatus that the new thing was to boil your to properly pasteurize sub. Personally I always get 2 flushes from a mono and toss it anyway, no need for me to dirty up my jars to get the same results:shrug:. I'm not lazy either, just seems pointless.

I just thought of something though lol, just a thought and no I've never tried this. I figure if you were to put substrate(coir,poo,anything really) into a plastic bag and load them in the dishwasher, one may be able to get proper results. I figure a dishwasher gets anywhere from 150-200F. Idk just a thought.

For now I'll keep it oldschool. A bucket, coir, verm and water at 170. Works wonders.


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Re: Bucket Tek vs Pasteurization Thread [Re: nn-IlliniSpiralDMT]
    #19195562 - 11/27/13 09:26 AM (10 years, 2 months ago)

If this isn't being passed around like the village whore, it should imo.

Quote:

tbagtag said:
Bulk Sub Prep Tek Part 1: Hydration

Supplies needed:
2 Bricks Coco Coir (if bought at a grow shop make sure it wasnt treated with trich.  The easiest one to get is Eco Earth from and major pet store.  Works great for newbies)
Vermiculite preferable medium (sometimes referred to as grade 2), fine will also work.
Gypsum (pellets are a-ok)
2 gallons of water and 1 quart jar of water
A bucket with a tight fitting lid



This recipe will make more than enough substrate for 2 30ish qt mini monos or 1 large mono over 66qt.  When we are done I will give you tips for the leftovers.

Scale as needed

Step 1:
Take 6 qts vermiculite and put in the bucket



2 cups gypsum - put it in the bucket



Should look like this



With your hand mix it as well as you can while its dry.  This prevents gypsum clumps; especially with pelletized gypsum.  Should look like below when done.




Now add 2 bricks of Eco Earth, if using bulk coir each brick of Eco Earth weighs 1# 7oz.  So you will need 2# 14oz of bulk coir (yes i weighed all 3 bricks to find out)

Put this in the bucket.



Now pour 2 gallons of water and 1 quart jar of water in the bucket.  Put the lid on it and set your timer for 60 minutes.



If you do not wait the full 60 minutes you will get leprosy, shits toxic till at field capacity.  Well not really, just dont fuck with it for a full 60 minutes.

See you again in over an hour where we mix, test for field capacity and bag our sub for pasteurization.



Quote:

tbagtag said:
Making Substrate Pt 2: Mixing and Pasteurization

Supplies needed:

Gloves
Oven Roaster
Gallon Ziploc Baggies
Paper Towel
Alcohol
Meat Thermometer

So this is what you're going to be greeted with when you take the lid off of your bucket.



The gloves are optional as this is messy as fuck.  The gloves just help with the cleanup and prevents any skin flakes or hair from your palms from getting in the mix.

We need to make sure we mix up the coir, verm and gypsum till it is even and there are no clumps of coir or pockets of verm.

One tip I give is pull from the bottom and build up along the side of the bucket and push down.  Keep fluffing and repeating, I usually spend 30-60 minutes mixing my sub to get it nice.  Take the time to do this right.  After it is all mixed together put the lid back on the bucket and wait 30 minutes.



This is how it should look all the way through:




This extra 30 minutes helps with the redistribution of water after the mix.

After 30 minutes test for field capacity.  When you pick up a clump no water should come out, when you squeeze you should have anywhere from a few drops to a small trickle.  If it is too much water you can add another half quart of verm - but if you follow my instructions above, mix properly and wait that extra 30 minutes you will be good.

Each bag can hold up to 4qts of substrate, since we are only working with 22 qts of substrate we are going to put slightly less than that in each bag.  Just try to make the bags as even as possible.  Do not worry if there is coir in the zipper area, when we use the bags when can use sterile scissors to cut below the zipper area.



Zip up the bags (slide style bags will not work for this. 

Assemble your roaster oven so it looks like below.  Put your bags in before the water.  Let out any excess air from the bags and re-zip. 



In the middle bag open the top slightly to put your meat thermometer in and zip the bag shut as best as possible.



Fill the roaster with water halfway up the bags and put the lid on.




Plug in your roaster and set the temperature to 160 degrees.  Check your meat thermometer after 2 hours, if you are not at 160 degrees on your thermometer check back in an hour and each hour after that (usually 4 hours to hit 160 degrees).  Once the center has hit 160 unplug the roaster (mine doesnt have an on/off), leave the lid on for 1 hour and then promptly remove the substrate to cool after that hour.

You just now pasteurized 22qts of substrate in 4 hours without having to stand over the stove.




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InvisibleJosh.0
ConnoissurOfSorts
Female

Registered: 11/25/13
Posts: 553
Re: Bucket Tek vs Pasteurization Thread [Re: nn-IlliniSpiralDMT]
    #19195612 - 11/27/13 09:39 AM (10 years, 2 months ago)

Quote:

nn-IlliniSpiralDMT said:
I've always used the bucket tek, still do.
For now I'll keep it oldschool. A bucket in a bucket, coir, verm and water at 170. Works wonders.



before it was a bucket in bucket i used,now it simply a Water Cooler Pasterurization Tek.
a cooler holds temps longger than any one paint bucket ever could:shrug:


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OfflinePocketRevolution
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Registered: 12/22/09
Posts: 270
Last seen: 1 month, 17 days
Re: Bucket Tek vs Pasteurization Thread [Re: Josh.0]
    #19215275 - 12/01/13 11:39 PM (10 years, 2 months ago)

A bit off topic.

I once tried using coir unheated.  Just hydrated it and added spawn.  It colonized in a ridiculously short time.  Then it did nothing.  It just sat there while the heat-treated coir, (spawned later) eventually caught up, and then fruited.  For a short while, I thought the speedy colonization was going to be revolutionary.  Then it completely refused to fruit.

Can't explain the science, but heat treatment is necessary.


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