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Pasteurization? [merged]


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#21 Guest_Peter Cottontail_*

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Posted 20 October 2005 - 03:16 PM

Start out with cold water so the jars and contents heat up at the same time as the water. Shut off the stove when it boils. Leave covered for an hour, then remove the jars, and when cool, they're ready to use. Don't let the water boil for awhile. You just want to pasteurize, not sterilize.
RR

#22 petri

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Posted 20 October 2005 - 04:08 PM

Thank you both! I'm going to do some poo/verm+lime. I was going to use some coir also, but it turns out that I'm fresh out.

#23 Hippie3

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Posted 24 March 2006 - 08:32 AM

Supplies Needed:
- Horse Poo
- Styrofoam Cooler
- Large Pot of Water
- Thermometer (cooking kind)
- Pillowcase
- Weight (to hold down poo)

Step 1: Gather up your horse poo, pillowcase, weight & styrofoam cooler. Place your poo into the pillowcase and tie the top in a loose knot.
037837355-poo_pillowcase.jpg

Step 2: Place the pillowcase on the bottom of the cooler and place your weight or anything else that's heavy and can get wet on top of the pillowcase to hold it down.
037837361-weight_on_pillowcase.jpg


Step 3: Now you want to get a large pot of water heated up to pasturizing temps. Make sure you are using enough water to submerse the pillowcase completely. I use a cheap thermometer used for cooking(supermarket) to monitor the water temperature. I try to get the water in the 170-180F area.

037840766-pot_of_water.jpg

*Important* 180F is the absolute highest you want to go, so if it goes above this, let it cool back down below the 180 mark before proceeding.

037849441-175-180F.jpg

Step 4: Pour the steaming water into the cooler until the pillowcase is completely submerged and place the lid on the cooler. If you skipped the second part of step 2, you will now have a floating pillowcase full of poo and will burn your hands trying to push it below the water, Owwwww!

037840771-pasturizing_the_poo.jpg

If you see any steam escaping from underneath the lid, you may want to place something heavy on the lid to keep it on snug.

037849435-impulse_sealer_on_cooler.jpg


Now you just wait for an hour. The water temperature will drop while in the cooler, but should stay within pasturization temps for hours.
This is after an hour in my cooler:

038157343-160F.jpg

The temp only dropped 10 degrees in that time.

Once the hour is up, take the pillowcase out (careful, it's still hot!) and let it drain in the sink. Once it's cooled down, squeeze out the excess water and add your spawn to it. I didn't take any pics of this part because a buddy had to borrow my camera at the time, but you get the idea.


You can use a regular cooler for this also and it would probably work better for insulating the heat. This method accomplishes pasturization without the "earthy" smell that some of us can't stand and also doesn't require constant monitoring of pasturization temps like some other methods.



#24 Guest_dial8_*

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Posted 24 March 2006 - 09:54 AM

Nice!

It's funny but I am always interested in what people use to weight there substrate down with. I use red bricks.

#25 Guest_GodsFlesh_*

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Posted 24 March 2006 - 10:05 AM

I use a crockpot with the lid turned upside down, the handle on the lid pushes the bag under water, crockpot maintains 165-175 degree range, I plop the bag in, in the morning go to work 8 hours later remove the bag and let it cool.

#26 Hippie3

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Posted 24 March 2006 - 11:28 AM

8 hours is kinda long for pasteurizing

of course
one might also combine the
bleach and/or lime pasteurization teks
with this hot water bath.

#27 Guest_GodsFlesh_*

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Posted 24 March 2006 - 12:27 PM

8 hours is kinda long for pasteurizing


Some Commercial growers pasturize their substrates for 3 days!!!

#28 Guest_dial8_*

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Posted 24 March 2006 - 12:27 PM

That is what I have started doing. I soak my straw in a lime/bleach bath for 2-4 hours then I heat pasteurize.

#29 Guest_dial8_*

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Posted 24 March 2006 - 12:28 PM

At what temps? 3 days at 160 degress F will sterilize your substrate.

Commercial growers pasturize their substrates for 3 days!!!



#30 Hippie3

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Posted 24 March 2006 - 12:36 PM

are these growers
growing cubensis
or buttons ?

#31 Guest_GodsFlesh_*

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Posted 24 March 2006 - 12:47 PM

Well obviously they arent growing cubensis, my book says they hold it at 140 degrees F, and Im not pasturizing for 3 days here, 8 hours around 165 degrees Ive been doing this for 2 years with no problems.
The reason I started doing this is I made a casing that the poo was only pasturized for 1 hour and when it was inccubating eggs hatched and my susbstrate was crawling with maggots, I learned this technique from a very well known cubensis grower, one of ralphsters good friends......

#32 Guest_GodsFlesh_*

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Posted 24 March 2006 - 12:49 PM

also the temp isnt at 165 degrees for the whole 8 hours, it takes a good 2 hours for the crockpot and substrate to heat up.....

#33 Hippie3

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Posted 25 March 2006 - 12:26 AM

many people are kinda in a hurry,
time is precious
and we know that many, many growers succeed
with much shorter pasteurization times.

:hippie:

#34 Guest_GodsFlesh_*

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Posted 25 March 2006 - 09:14 AM

hey man Im not dogging on your tek I have seen many people do it that way, one thing I have learned in this hobby is you need patience, I like the ease of just ploping it in a machine, I have so much faith in my crockpot I dont even use a thermometer anymore I know its maintaining the temp.

#35 Hippie3

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Posted 25 March 2006 - 09:18 AM

doing pasteurization in an hour
is not a sign of any lack of patience.
that's an un-warranted jab.
someone might call one who pasteurized for 8 hours
a bit anal-obsessive-compulsive
but that would be rude eh.

#36 Guest_GodsFlesh_*

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Posted 25 March 2006 - 09:25 AM

Well is this how you treat all new members of your web site? Do you question everything they say? If so I can take my donations to the competition, like I said I wasnt dogging on your tek, theres more than one way to skin a cat....

#37 Hippie3

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Posted 25 March 2006 - 09:27 AM

of course i question everything
and if that's a problem
you know how to
show yourself to the door.

#38 Guest_GodsFlesh_*

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Posted 25 March 2006 - 09:28 AM

laters

#39 Hippie3

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Posted 25 March 2006 - 09:38 AM

I can take my donations to the competition,.


LOL
yer funny
you had already reneged on your promised 'donations'
as your last PM yesterday stated, right ?
so don't expect much mileage out of a broken promise
or a pitiful threat.
http://mycotopia.net...tachmentid=9229

#40 reverend trips

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Posted 25 March 2006 - 10:07 AM

I like the ease of just ploping it in a machine

I don't think it's much harder plopping it into a pot or a cooler!
I do an hour and a half and it seems to work everytime.
LOL at the deodorant stick.




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