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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation
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Quick and Easy Pasteurization * 7
    #11855255 -

Quick and Easy Pasteurization by Shea25

Basically Pasteurization is just bring whatever it is you pasteurizing to a temp between 140-160F for 1 hour.

Things needed:
Pressure Cooker=PC or Large pot
Water
Jars
Meat thermometer
Tin Foil
Large Plate

First off prepare whatever it is you’re going to pasteurize (Casing layer/Bulk sub). Load it into Quart jars now pick one jar and just use a foil lid on it so you can later on stick a meat thermometer threw it. The rest of the jars can get foil lids or if you want use a filter lid, I do.

Now Take your PC and put something on the bottom to keep your jars from directly contacting the bottom of the PC (you can use jar lids and foil or a rack that comes with the PC) Now put your jars into the PC and fill it up 2/3 the way up the jars with COLD water. Now stick the meat thermometer into the jar that has a foil lid. You can put a plate on top of the jars to keep them from falling over since the jar will have some buoyancy to them. Additionally you can add some white vinegar to the water it helps keep residue from building up on the jars.

Turn the burner on High and walk away now you’re waiting for the water to boil and for the thermometer to reach 140F. Once the thermometer reads 140F turn the heat right off, and now start your 1 hour count down. For the next hour the temp will continue to climb you might have to turn the heat back on during the whole hour to keep the temps between 140-160F.

Once the hour is up make sure the heat is turned off if it was on and let the jars cool down naturally for at least 8 hours, additionally you can throw on a filtered lid on the 1 jar that had the foil lid that’s what I usually do

You can pasteurize for 2 hours if you want














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Pf tek done right
How to Sterilize a Syringe
Quick and Easy Pasteurization
Quick and Easy LC
Pan Cyans without a PC
4 Easy step rye

AMU Q&A link

Extras: Filter Print Post Top
Re: Quick and Easy Pasteurization [Re: Shea25] * 1
    #11855270 -

Pretty much the same way RR does it in his videos. Good write up.

Extras: Filter Print Post Top
Re: Quick and Easy Pasteurization [Re: Dbb5]
    #11855283 -

Yea its a good way of doing it. It is more suited for smaller scale grows. I just thought it was time for a Write up with pics on how its done since I often find myself writing out tonnes of times for people


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

Pf tek done right
How to Sterilize a Syringe
Quick and Easy Pasteurization
Quick and Easy LC
Pan Cyans without a PC
4 Easy step rye

AMU Q&A link

Extras: Filter Print Post Top
Re: Quick and Easy Pasteurization [Re: Shea25]
    #11855315 -

Yup, that's exactly the method I've been describing for years.

It's also the exact method shown in the video.

Works great.
RR


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Download Let's Grow Mushrooms



semper in excretia sumus solim profundum variat

"I've never had a failed experiment.  I've only discovered 10,000 methods which do not work."
Thomas Edison

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Re: Quick and Easy Pasteurization [Re: RogerRabbit] * 1
    #11855321 -

Yea its a great way pasteurizing thats where I learned it. Works great :thumbup:


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

Pf tek done right
How to Sterilize a Syringe
Quick and Easy Pasteurization
Quick and Easy LC
Pan Cyans without a PC
4 Easy step rye

AMU Q&A link

Extras: Filter Print Post Top
Re: Quick and Easy Pasteurization [Re: Shea25]
    #11895323 -

Nice post, thanks for the pictorial!  :mushroom2:


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:mushroom2:Bulk Grow Substrate Calculator Spreadsheet - Download :heartpump: Thread:mushroom2:
*Downloaded over 3,500 times!* Also try the DMT Changa Mix Calculator

Stonesun's Amazing Sclerotia/Stones Guide:mushroom2:Vasodilator List:mushroom2:Niacinamide - reduce trip anxiety


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Re: Quick and Easy Pasteurization [Re: gornyhuy]
    #11895385 -

No prob, I thought it was time for a pictorial on it :thumbup:


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

Pf tek done right
How to Sterilize a Syringe
Quick and Easy Pasteurization
Quick and Easy LC
Pan Cyans without a PC
4 Easy step rye

AMU Q&A link

Extras: Filter Print Post Top
Re: Quick and Easy Pasteurization [Re: Shea25]
    #11895434 -

I know this may seem like im missing something here, but i do amounts similar to that in a pillowcase, i would find the jars a little fiddley, the advantage with a pillowcase is you can also get the sub to more or less field density, by squeezing the pillowcase, it more or less goes with the rule of hand squeezing subs, as in squeeze a little, a few drops, squeeze alot, a small stream.

I may try the jar method someday all the same, im sure a noob could follow it, so nice post mateski.

:fatman:


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First we must learn...

Then... WE CAN TEACH :weirdeyes:

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Re: Quick and Easy Pasteurization [Re: Nobitte]
    #11895691 -

What I like about doign this with the filtered lids is that after they cool down you can keep them in the firdge for over a month and use it as is. It a good way to pre-make up a bunch of bulk sub


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

Pf tek done right
How to Sterilize a Syringe
Quick and Easy Pasteurization
Quick and Easy LC
Pan Cyans without a PC
4 Easy step rye

AMU Q&A link

Extras: Filter Print Post Top
Re: Quick and Easy Pasteurization [Re: Shea25]
    #12203705 -

Well I don't know if it counts as truly relevant or not but I just had to say that this method IMO is the BEST method. I could never get coffee to work it would always contaminate but now I have no fear. I just did up a batch with some coffee and its doing just dandy. This is the only way I could get it to work. Thanks both Shea and RR. peace and chicken grease.
:bobmarley:


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Re: Quick and Easy Pasteurization [Re: Dbb5]
    #16975008 -

Great write up...in fact which videos does he pasturiize this way? I can't put my finger on it and I'm sure I've seen those a thousand time....this deserves some brownie points..."good write-up" bah...jealous

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Re: Quick and Easy Pasteurization [Re: ShroomHed]
    #17013808 -

Followed this tek and turned off the stove when it hit 140. Now my thermometer reads just under 180. Should I ditch this batch and redo?  I turned the stove off about 5 mins ago


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Blake's bulk steam pasteurizer
Spawn Bag Pictorial
Dehydrator expansion pictorial
Bucketing with Blake
20 tub ISO grow

Extras: Filter Print Post Top
Re: Quick and Easy Pasteurization [Re: Blake_Shroom]
    #17022671 -

Mine hits 180 sometimes. I find that so long as its only for a bit its cool


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Re: Quick and Easy Pasteurization [Re: Grumpyorc]
    #17024010 -

It was for a while. I'm just gonna toss it. Rather do another 7 jars then.find.out the hard way. Plus that first time helped my dial in exactly when to turn off the stove


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Blake's bulk steam pasteurizer
Spawn Bag Pictorial
Dehydrator expansion pictorial
Bucketing with Blake
20 tub ISO grow

Extras: Filter Print Post Top
Re: Quick and Easy Pasteurization [Re: Shea25]
    #19887367 -

I use large size oven bags...I crank the heat with the lid on and a brick on top of the bag...when my core hits 120 I shut it off and it climbs to 150-155 every time..PERFECT! I use this method for a brick of coir and two quarts of Verm. I heat a little slower when using manure.


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Knee deep in the hotel tub.....

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Re: Quick and Easy Pasteurization [Re: RogerRabbit]
    #25322489 -

Hi. I know that this an old post but I found a new toy that can help. It is a sous vide cooker off Amazon.  You just set the temperature and time for it. I have used it for my substrate just last week.  I set the temperature for 160 degrees and 4 hours and walked away. No need to keep an eye out on the stove. I picked it up for $70 I thought it was a good deal. I hope that this might help someone else.  The sous vide is a water circulator with a heating element.  You can see videos on YouTube of how it works. I did a substrate of coir verm cow manure. So far everything is fine.

Extras: Filter Print Post Top
Re: Quick and Easy Pasteurization [Re: N2confusion]
    #25322527 -

Interesting! I'm guessing you put the substrate in some sort of bag? How big of a pot did you use? I'd like to try this with just coir. I'm assuming I'd just soak the coir in water, put it in a bag, and then sous vide it?

Extras: Filter Print Post Top
Re: Quick and Easy Pasteurization [Re: N2confusion]
    #25322536 -

N2confusion said:
Hi. I know that this an old post but I found a new toy that can help. It is a sous vide cooker off Amazon.  You just set the temperature and time for it. I have used it for my substrate just last week.  I set the temperature for 160 degrees and 4 hours and walked away. No need to keep an eye out on the stove. I picked it up for $70 I thought it was a good deal. I hope that this might help someone else.  The sous vide is a water circulator with a heating element.  You can see videos on YouTube of how it works. I did a substrate of coir verm cow manure. So far everything is fine.


For a new guy this is a really interesting tool. You may have sold me. What I dislike the most about mycology is babysitting substrates and I don't trust bucket tek. Seems legit.


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When you clean a vacuum cleaner you are a vacuum cleaner
Build yourself a Flow Hood in these 99 simple steps

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Re: Quick and Easy Pasteurization [Re: ElDuderino2314]
    #25322628 -

I was using large grow bags I purchased off Amazon. The pot I had was my old boiling pot for doing crawfish.  It holds about 6 gallons. The sous vide cooker just clamped to the side. It is a set and forget process. I have bought another sous vide for just cooking. There are even models that are Wi-Fi to your phone. Just download the apps. Now it will not boil water but it goes up to 200 degrees.  At least mine does. Now you can use gallon Ziploc freezer bags or even use hard like RR did in his videos.

Extras: Filter Print Post Top
Re: Quick and Easy Pasteurization [Re: N2confusion]
    #25322709 -

Bucket tek works just fine, and the water temperature isnt the same as the internal substrate temperature.

As long as you're actually monitoring the substrate though, whatever keeps the temps at the right spot for the right amount of time works just fine.

Extras: Filter Print Post Top
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