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OfflineLeftfield420
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pasteurization question
    #23912405 - 12/10/16 08:08 AM (7 years, 1 month ago)

Let's say I used an ice chest,boiled water in my pc until it hits 5-10psi then turn off and release pressure and dump water in cooler with coir/verm...if this would work could I add cow poo in theory?


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OfflineWeavieWonder
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Re: pasteurization question [Re: Leftfield420]
    #23912421 - 12/10/16 08:14 AM (7 years, 1 month ago)

There is no point to pressurize water.  It's still going to be the same temp (boiling 212F) when you depressurize it.  Do not add cow dung into the mix.  It requires that you pasteurize it properly.


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OfflineLeftfield420
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Re: pasteurization question [Re: WeavieWonder]
    #23912434 - 12/10/16 08:21 AM (7 years, 1 month ago)

But what if the temp holds steady at 160°F for over an hour? I prepared some coir/verm last night, temps held at 160°F and have only fell 50°F in 8hrs...why wouldn't that work? My coir is still sitting at 110°F


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Re: pasteurization question [Re: Leftfield420]
    #23912449 - 12/10/16 08:28 AM (7 years, 1 month ago)

IF I remember correctly on the 'improved bucket tek' thread some people used manure, pasturized (160*F/1-2hours)

I would stick to loading them in bags. Because firstly how do you know the exact amount of water to boil? You have exact measurements for what the field capacity is? Safe option is to prep to field capacity and pasturize traditionally imo


--------------------
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OfflineLeftfield420
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Re: pasteurization question [Re: filthyknees]
    #23912461 - 12/10/16 08:33 AM (7 years, 1 month ago)

I didn't add poo, just wondered if it would work since I kept track of temps...and I usually boil 5qts to a full brick of coir and 2.5qts verm...4qts water ends up a little dry IMO..


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Re: pasteurization question [Re: Leftfield420]
    #23912490 - 12/10/16 08:50 AM (7 years, 1 month ago)

Quote:

Leftfield420 said:
But what if the temp holds steady at 160°F for over an hour? I prepared some coir/verm last night, temps held at 160°F and have only fell 50°F in 8hrs...why wouldn't that work? My coir is still sitting at 110°F




sounds like your good to go!

if you can get the center to stay at 160 for an hour or so you are good.

however i agree with filthyknees. its tricky to pasturize in the bucket
unless you got the water content 100%. when i worked with poo i found
no batch used the same amount of water. it was all based of field capacity
which varied batch to shitbatch.


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InvisibleTeemo 6T3
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Re: pasteurization question [Re: mushboy]
    #23912512 - 12/10/16 09:15 AM (7 years, 1 month ago)

If you use a pillow case you shouldn't worry about field capacity.

When you get it out to drain and cool, squeeze test it to make sure its at field capacity.

For me it always drains by it self to field capacity.

I use the cooler box to pasteurise too, so IME stick to pillow cases if you'll pasteurise in a cooler box.


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OfflineWeavieWonder
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Re: pasteurization question [Re: Leftfield420]
    #23912577 - 12/10/16 09:42 AM (7 years, 1 month ago)

You could get lucky and have that happen.  The thing is, you don't have any control over the temperature.  You are just throwing hot water over your substrate and hoping for the best.  Your temp could end up more than 160, or under 140.  No Way Know For sure.  That's usually good enough for coir/verm, but poo needs more precision.  Try it if you want, but your chances of success will be patchy at best.  If you are not willing to learn proper pasteurization techniques, then just skip the manure.


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Re: pasteurization question [Re: Teemo 6T3]
    #23912647 - 12/10/16 10:12 AM (7 years, 1 month ago)

Quote:

Teemo 6T3 said:
If you use a pillow case you shouldn't worry about field capacity.

When you get it out to drain and cool, squeeze test it to make sure its at field capacity.

For me it always drains by it self to field capacity.

I use the cooler box to pasteurise too, so IME stick to pillow cases if you'll pasteurise in a cooler box.



I seriously don't get how people say this works. I did pillowcases for the longest time and I had to squeeze the shit out of them for proper hydration. It was a terrible hassle that I never want to go through again. Poo holds so much water and gets runny af. I even let it drip dry for 3+ days and still had to squeeze a shit ton..


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InvisibleTeemo 6T3
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Re: pasteurization question [Re: Mad Season]
    #23912672 - 12/10/16 10:22 AM (7 years, 1 month ago)

That's weird, mine is at proper field capacity as soon as it cools down/

Could it be that i use horse manure? Did you use horse manure?

Cus i haven't tried it with cow.


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OfflineFerather
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Re: pasteurization question [Re: Mad Season]
    #23912677 - 12/10/16 10:23 AM (7 years, 1 month ago)

Pillow case > washing machine on spin. Super lazy way, lol.


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OfflineLeftfield420
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Re: pasteurization question [Re: WeavieWonder]
    #23912791 - 12/10/16 11:09 AM (7 years, 1 month ago)

I am willing to learn, just a little intimidated by the whole process really...just starting to learn bulk....baby steps man


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OfflinePeteyboy
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Re: pasteurization question [Re: Ferather]
    #23913007 - 12/10/16 12:38 PM (7 years, 1 month ago)

Quote:

Ferather said:
Pillow case > washing machine on spin. Super lazy way, lol.




Now I can get behind this! :jah:


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OfflineWeavieWonder
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Re: pasteurization question [Re: Leftfield420]
    #23913077 - 12/10/16 01:08 PM (7 years, 1 month ago)

Quote:

Leftfield420 said:
I am willing to learn, just a little intimidated by the whole process really...just starting to learn bulk....baby steps man




Baby steps indeed. Until you have a full understanding of what you're doing, I would not recommend deviating from the tek you are using (I'm assuming damiens bucket tek).  Using big coolers, manure, and pressurizing water are not in the tek.  Not trying to be a dick, just trying to steer you into a successful path.


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OfflineTh3Issu3
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Re: pasteurization question [Re: WeavieWonder]
    #23913107 - 12/10/16 01:20 PM (7 years, 1 month ago)

In never even pasturise, just some boiling water in a tub with a brick of course with vermiculite and Gipson


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OfflineNooner
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Re: pasteurization question [Re: Leftfield420]
    #23913117 - 12/10/16 01:27 PM (7 years, 1 month ago)

Quote:

Leftfield420 said:
Let's say I used an ice chest,boiled water in my pc until it hits 5-10psi then turn off and release pressure and dump water in cooler with coir/verm...if this would work could I add cow poo in theory?



You shouldn't release pressure from your cooker.


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OfflineLeftfield420
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Re: pasteurization question [Re: Nooner]
    #23913619 - 12/10/16 04:05 PM (7 years, 1 month ago)

That's only to keep from creating a vacuum....my pressure cooker is the only pan I got big enough to boil 5qts at a time...it is what it is...but I am still going to use my cooler...I like how well it holds heat


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OfflinePeteyboy
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Re: pasteurization question [Re: Leftfield420]
    #23913676 - 12/10/16 04:17 PM (7 years, 1 month ago)

just boil the water without the lid on, I do all the time...I use my PC for prepping grains, pastuerizing and sterilizing...


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OfflineLeftfield420
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Re: pasteurization question [Re: Peteyboy]
    #23913763 - 12/10/16 04:37 PM (7 years, 1 month ago)

I use mine for everything too Petey!


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InvisibleMad Season
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Re: pasteurization question [Re: Teemo 6T3]
    #23914054 - 12/10/16 05:50 PM (7 years, 1 month ago)

Quote:

Teemo 6T3 said:
That's weird, mine is at proper field capacity as soon as it cools down/

Could it be that i use horse manure? Did you use horse manure?

Cus i haven't tried it with cow.



I've literally never used cow. Always hpoo. Fluffy af hpoo


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Re: pasteurization question [Re: Leftfield420]
    #23914062 - 12/10/16 05:52 PM (7 years, 1 month ago)

Quote:

Leftfield420 said:
I use mine for everything too Petey!




Nice...Its not so pretty and shiny inside but who gives AF lol! I'm gonna use it to lime soak my straw here soon too !


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Re: pasteurization question [Re: Peteyboy]
    #23914415 - 12/10/16 08:04 PM (7 years, 1 month ago)

I pre mix all my dry ingredients in a large cooler and add boiling h20 to field capacity stir the fuck outof it and then i pack it in (gallon)ziplock freezerbags and microwave for 10 min on high brings my core temp up to 155-160  i zip it shut and store for use...i pasturize my casings the same way! I have never had an issue when done properly


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Edited by PieEyed-Messiah (12/10/16 08:27 PM)


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Re: pasteurization question [Re: Mad Season]
    #23914440 - 12/10/16 08:17 PM (7 years, 1 month ago)

How do you track the temp while it's inside the microwave? Seems sketchy

Quote:

Mad Season said:
Quote:

Teemo 6T3 said:
That's weird, mine is at proper field capacity as soon as it cools down/

Could it be that i use horse manure? Did you use horse manure?

Cus i haven't tried it with cow.



I've literally never used cow. Always hpoo. Fluffy af hpoo




Maybe try a cheap thin pillow case?
I only ever need a light squeeze but the cases I use are so thin they'll probably rip on me one day


Edited by Intelligentxfruit2 (12/10/16 08:22 PM)


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OfflinePieEyed-Messiah
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Re: pasteurization question [Re: Intelligentxfruit2]
    #23914458 - 12/10/16 08:25 PM (7 years, 1 month ago)

When its finished i use a thermometer youll need to fig out the power vs timing for your self 10 mins works for me


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Re: pasteurization question [Re: Intelligentxfruit2]
    #23914702 - 12/10/16 10:12 PM (7 years, 1 month ago)

Quote:

Intelligentxfruit2 said:
How do you track the temp while it's inside the microwave? Seems sketchy

Quote:

Mad Season said:
Quote:

Teemo 6T3 said:
That's weird, mine is at proper field capacity as soon as it cools down/

Could it be that i use horse manure? Did you use horse manure?

Cus i haven't tried it with cow.



I've literally never used cow. Always hpoo. Fluffy af hpoo




Maybe try a cheap thin pillow case?
I only ever need a light squeeze but the cases I use are so thin they'll probably rip on me one day



Yeah the pillow cases were probably too thick, but really, the best pasteurization method is jars IMO. Both Frank and azur have teks on them. They actually hold much more than they look like they could too. And they're always prepared to field capacity/your preferred hydration, 100% of the time.


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How to shroomery like a pro! (Seriously, everyone read this!)
Improve your sterile techniques! (A comprehensive guide to agar)
Links upon links of literally EVERYTHING UP TO DATE

AMU Q&A
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Re: pasteurization question [Re: Mad Season]
    #23914740 - 12/10/16 10:26 PM (7 years, 1 month ago)

I have been using large mycobags to pastuerize my sub in....works out nicely with the filter patch for cooling as well...I think i read about it in Frank's Tek.


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InvisibleIntelligentxfruit2
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Re: pasteurization question [Re: Peteyboy]
    #23914929 - 12/10/16 11:28 PM (7 years, 1 month ago)

this is true its hassle free. I started off with franks method with coir years ago and never had a bad result from it.
The only reason I use insulated tubs is the size advantage for bulk straw/coir. I do properly pasteurize poo or ewc separately though and then add. Makes the whole process cleaner and easier imo.


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OfflinePeteyboy
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Re: pasteurization question [Re: Intelligentxfruit2]
    #23915512 - 12/11/16 08:29 AM (7 years, 1 month ago)

I avent tried EWC in my sub mix yet...Ive also read of coffee too...is it just a nitrogen boost?


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Re: pasteurization question [Re: Peteyboy]
    #23915538 - 12/11/16 08:34 AM (7 years, 1 month ago)

It's got quite a few micronutrients other than nitrogen, but that's the big one. Mushrooms benefit from a lot of the minerals and such in coffee. Speeds up growth a decent amount.


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But one does not undertake an experiment knowing one HAS failed.


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OfflinePeteyboy
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Re: pasteurization question [Re: r.lutece]
    #23915644 - 12/11/16 09:11 AM (7 years, 1 month ago)

no shit!!! So do you use new coffee or old grounds, and whats the ratio that you would add to say a 66 qt mono tub...I ususally use CVG as a sub, can it be applied to this substrate as well? And if so, could i just add it to the mix before I bucket pastuerize? OR should i properly pasteurize first then add to the sub mix after I bucket pastuerize the sub?


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Re: pasteurization question [Re: Peteyboy]
    #23915780 - 12/11/16 09:48 AM (7 years, 1 month ago)

I've heard it done all sorts of ways. Some folks mix used grounds (already been used to brew coffee) directly into the substrate with the CVG. You can use them up to 10% of the substrate volume when used that way, but you may need to balance the pH just a bit since coffee's on the acidic side. I've never done the bucket tek with coffee, but I would think it shouldn't throw off the process too much. That said, coffee grounds should be partially sterilized from the brewing process, so additional pasteurization might not be needed. I would guess it's personal preference.

I think my favorite use for coffee is as the soak water for grain prep. RR likes to use half strength coffee to soak the grains in. Since that's where the myc starts to colonize first, it's one of the areas that strongly benefits from any speed boost it can get. Also, since the grains carry nutrients all the way from spawn to fruiting, you get the benefits of the coffee from start to finish.


--------------------
One goes into an experiment knowing one might fail.
But one does not undertake an experiment knowing one HAS failed.


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