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InvisibleSkunkhuffer
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Registered: 06/29/05
Posts: 70
Understanding Poo and Pasteurization...
    #4539842 - 08/15/05 10:23 PM (11 years, 3 months ago)

Okay, so from what I understand, pasteurization kills MOST of the bad bacteria/stuff in the poo. Correct? I'm assuming I am, so I'll continue.

Okay, so we then case our BRF or WBS cakes with Poo and whatever else. What prevents nasty molds and the like from contaminating POO??? I mean, if POO is such an EXCELLENT place for Cubes to grow, what makes other things LESS attracted to it? It seems to me that if it isnt totally kept away from ANY tiny single spore floating around, other fungus and mold will grow all over it.

Am I wrong? It just seems that after you pasteurize poo, most people dont discuss/mention contams, or even worry about contams when they grow. Maybe I just skip over those posts.

Why pasteurize and not sterilize? What are the pros and cons of pasteurization????

I have AFOAF and his FIRST jar is in the fruiting chamber. It's a plain old PF Cake, but this FOAF of mine wants to do a case next with horse poo, but has all these questions before he'll go through with it.

Thanks in advance. I'll do more research, but at this point, I'm just sort of confused.


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Invisiblebackupwards
peon

Registered: 04/02/05
Posts: 3,022
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Re: Understanding Poo and Pasteurization... [Re: Skunkhuffer]
    #4539881 - 08/15/05 10:32 PM (11 years, 3 months ago)

simply because the poo has beneficials that are not killed off during pasturization, therefore these aid in keeping the badies out, then once the myc is colonized it can keep itself.
ok it is not a case. it would be spawning (brf cake, wbs) to a bulk substrate (h poo, compost, straw). the casing comes in last, in that it is the layer added to the top of the spawned substrate to help aid in moisture retention.
peace


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Invisiblebackupwards
peon

Registered: 04/02/05
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Re: Understanding Poo and Pasteurization... [Re: backupwards]
    #4539895 - 08/15/05 10:35 PM (11 years, 3 months ago)

if you were to sterilize the poo then it would be open to contams just as readily as the brf cakes or any of the grains one may use.
in other words sterilizing it you would have to keep it in a very sterile environment to keep it from contaming.
peace


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InvisibleHolydiver
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Re: Understanding Poo and Pasteurization... [Re: Skunkhuffer]
    #4539911 - 08/15/05 10:38 PM (11 years, 3 months ago)

You don't need to pasteurize poo period. Myself and numerous others on this board are having great success with unpasteurized poo. It almost seems invulnerable to contams.


--------------------
To find a place to live between the negatives and positives.


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InvisibleThumpaCap
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Registered: 02/19/05
Posts: 568
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Re: Understanding Poo and Pasteurization... [Re: Holydiver]
    #4540465 - 08/16/05 01:09 AM (11 years, 3 months ago)

i wish somebody would tell MY horse that

:lol:

:bongload:


--------------------
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Offlinehotshotaj
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Registered: 07/12/05
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Re: Understanding Poo and Pasteurization... [Re: ThumpaCap]
    #4540510 - 08/16/05 01:21 AM (11 years, 3 months ago)

So diver lets say someone was doing 60% straw and 40% poo. should my friend pasteurize or try some of his bulk without?


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Invisibleagar
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Re: Understanding Poo and Pasteurization... [Re: Skunkhuffer]
    #4540665 - 08/16/05 02:12 AM (11 years, 3 months ago)



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Offlineazurescens
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Registered: 02/17/04
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Re: Understanding Poo and Pasteurization... [Re: Holydiver]
    #4540690 - 08/16/05 02:18 AM (11 years, 3 months ago)

How are you hydrating (to proper moisture) your unpasteurized poo, Diver? Thanks in advance.


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Offlineliveby
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Re: Understanding Poo and Pasteurization... [Re: azurescens]
    #4540701 - 08/16/05 02:20 AM (11 years, 3 months ago)

it kill non nitrogen inriching organisms


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

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InvisibleRoadkill
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Re: Understanding Poo and Pasteurization... [Re: Holydiver]
    #4540737 - 08/16/05 02:31 AM (11 years, 3 months ago)

Quote:

Diver said:

You don't need to pasteurize poo period. Myself and numerous others on this board are having great success with unpasteurized poo. It almost seems invulnerable to contams.




but you didn't mention the down side to not pasteurizing.


bugs might be in the poo...or hatch in the poo.


--------------------
Laterz, Road

Who the hell you callin crazy?
You wouldn't know what crazy was if Charles Manson was eating froot loops on your front porch!


Brainiac said:
PM the names with on there names, that means they have mushrooms for sale.



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Invisibleagar
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Re: Understanding Poo and Pasteurization... [Re: Roadkill]
    #4540906 - 08/16/05 03:35 AM (11 years, 3 months ago)

LOL-----R/K

They have to get a swarm of 1,987,361 gnats -or- 1,456,876,234 tiny mites on a cased substrate - before they learn why you should always pasturize -or- heat treat a bulk substrate.

That is how I learned  :rolleyes: the hard way.


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InvisibleRoadkill
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Re: Understanding Poo and Pasteurization... [Re: agar]
    #4540952 - 08/16/05 03:45 AM (11 years, 3 months ago)

and another down side...another type of mushroom species mycelium is in the poo...and you don't pastuerize.

you end up getting mushrooms growing in your poo that you don't want...like Inky caps for an example.



You and me both have had the attack of the gnats in the past.

Nothing worse than bugs flying around in your grow room and all over your casings...then having to NUKE the whole grow room.

:crazy:


--------------------
Laterz, Road

Who the hell you callin crazy?
You wouldn't know what crazy was if Charles Manson was eating froot loops on your front porch!


Brainiac said:
PM the names with on there names, that means they have mushrooms for sale.



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Invisibleagar
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Re: Understanding Poo and Pasteurization... [Re: Roadkill]
    #4541010 - 08/16/05 04:01 AM (11 years, 3 months ago)


Yup, right out of a moist h/poo muffin.


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InvisibleHolydiver
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Re: Understanding Poo and Pasteurization... [Re: agar]
    #4541448 - 08/16/05 08:30 AM (11 years, 3 months ago)

Nats schmats. The worst I've encountered after running 10 or so trays of UNPASTEURIZED horse poo is an occasional seedling sprouting, and maybe a bug here or there. Never an epidimic breakout like you guys are making it out to be. They have never presented a problem, and are well worth the trade off of never pasteurizing horse poo again.

Zero contams through all this. I've also intentionally spawned trich infested WBS to a batch of unpasteurized horse poo. The trich never grew out, and mycelium ended up taking over the tray in a healthy fashion. What does that tell you? Hint: pasteurizing horse poo isn't a practical endeavor. The occasional inky cap or gnat isn't going to wreck your grow.


--------------------
To find a place to live between the negatives and positives.


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Offlinescatmanrav
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Re: Understanding Poo and Pasteurization... [Re: Holydiver]
    #4542329 - 08/16/05 02:41 PM (11 years, 3 months ago)

Ten trays, but try running 10-25 trays a week..

That said, I do have a whole bunch of unpasteurized horse poo going right now :smile:. It actually colonized like 6 inch+ casing of poo, with less spawn then normal..quicker then normal. All I did was dump 185 degree water over it a few times in a pillow case, over a few days. After leaving it sit, it even had mold growing all over the pillowcase, and on a few nugs...after I dumped water over it again, I broke it al up and spawned it. I got a casing with 2 quarts of spawn and probably 20 pounds of poo (maybe a little less) and one with 1 quart of spawn and about 8 pounds of poo..both colonized in 4 days. Normally I pasteurize every time, but I had way to much, so I only pasteurized half. There are two other large casings that are not quite finished yet at day 7, but are close, they had a small spawn ratio too though, and its a slow strain colonization wise..all unpasteurized and all 3 pillowcases had mold growing on them and in them..the 185 degree water on the top was enough (then let it sit until it cools off enough for you to break it up with gloves). These casings will all be kept in the other fruiting chamber though, just in case there are any problems. Normally I dont like to risk it...if your doing something small, its not a big risk..but for those wanting to be sure of your results, paseurization is needed still IMO.

Also...even Diver will agree with this (someone directed this question to Diver)..if you add straw (especially 60%, a bad idea IMO anyway..straw is unneeded, and if any, 5-10% should be chopped and used IMO) you WILL NEED to pasteurize..because of the straw.

And someone asked how Diver hydrates poo without pasteurizing...add water :p


--------------------
"life is like a drop of rain getting closer and closer to falling into a lake, and then when you hit the lake there is no more rain drop, only the lake."

Growing with bags, start to finish (including my new grain and substrate prep)
Anyone looking to start bulk tubs/mono tubs/shotgun hybrids? Good tubs to use..
How I do grain (old still good tips)
Turn your closet into a fruiting chamber
Casing layer colonization and overlay


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