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OfflineDrBallard
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Registered: 09/24/08
Posts: 21
Last seen: 10 years, 6 months
inoculated 5 days ago -- contams!!!!!
    #9088715 - 10/16/08 08:58 PM (16 years, 3 months ago)

Hey there, Ive inoculated 12 jars, 5 with rye, 3 with corn and 4 with wheat, to test which one works best with which strain (used B+, Cambo, GT and blue meanie).
It was my first attempt at the grain tek. I succesfully did the pftek with zero contams. Never had a single contam in my growing history...

I soaked the grain for 24 hours, boiled it for 10 to 30 mins (depends on the type of grain used, corn took longer..) and then drained it for 30 mins. Then I PCed the jars for 90mins. Let it cool off over night, cleaned the whole place with anti-bacterial stuff, flame sterilized the needle, kept it in an alcohol cotton between inoc, etc. my jars have a single hole in the cap, with the white cotton stuff, then covered with micropore tape.

NOW! 5 days after innocs, 5 of my 12 jars shows signs of blue stuff in them... as well as some white mycel. My guess would be that I stuff my cap hole too thight and the air exchange is too low, causing excess humidity in the jar.
What do you guys think?

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OfflineNuzzle
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Registered: 09/29/08
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Re: inoculated 5 days ago -- contams!!!!! [Re: DrBallard]
    #9088722 - 10/16/08 09:00 PM (16 years, 3 months ago)

that sucks...

how sterile were you?? :wink:


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OfflineDrBallard
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Re: inoculated 5 days ago -- contams!!!!! [Re: Nuzzle]
    #9088746 - 10/16/08 09:03 PM (16 years, 3 months ago)

Very freakin sterial if you ask me :P

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InvisibleShr00mZ
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Registered: 04/15/08
Posts: 1,454
Re: inoculated 5 days ago -- contams!!!!! [Re: Nuzzle]
    #9088767 - 10/16/08 09:06 PM (16 years, 3 months ago)

you didnt prepare your substrate good enough before you pced it. simmering/heating it before it was placed in jars. RINSE/ SOAK for 24 hours/ Rinse again. Heat it up but not boiling. There is different ways to prepare each different sub. Rye is simmered for a believe 10 minutes. I havent done wheat or corn. I have chunks of corn in my WBS. I simmered it for 30 minutes. after I had already rinsed it a few times and soaked. Then I PCed in the jars for a hour. I did 24 jars no contams. They have polyfil and coffee filters. I used multispore, some of the jars are half colonized in 8 days. I havent shaken them yet.


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OfflineScavengerType
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Re: inoculated 5 days ago -- contams!!!!! [Re: Nuzzle]
    #9088777 - 10/16/08 09:08 PM (16 years, 3 months ago)

not sterile enough to use a glovebox obviously. Though I must ask did you shake the grains dry (like RR does in his videos) or just drain them?


--------------------
"Have you ever seen what happens when a grenade goes off in a school? Do you really know what you’re doing when you order shock and awe? Are you prepared to kneel beside a dying soldier and tell him why he went to Iraq, or why he went to any war?"
"The things that are done in the name of the shareholder are, to me, as terrifying as the things that are done—dare I say it—in the name of God. Montesquieu said, "There have never been so many civil wars as in the Kingdom of God." And I begin to feel that’s true. The shareholder is the excuse for everything."
- Author and former M6/M5 agent John le Carré on Democracy Now.
Conquer's Club

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Invisiblemusher_420
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Registered: 08/01/05
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Re: inoculated 5 days ago -- contams!!!!! [Re: DrBallard]
    #9088836 - 10/16/08 09:19 PM (16 years, 3 months ago)

If you followed procedure like you said and you are seeing mold growth in every jar and PC'd 90 minutes AFTER the PC reached 15 psi..Your inoculant (spore syringe, LC, what have you)  was probably contaminated.

You grain may also have been too wet but that would have likely slowed down colonization later.  How would sterile water in your jars cause contamination?  The mold spores had to get in some how so through your filter lids or during inoculation or they were in your innoculant.  If it's in every jar I say innoculant.


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OfflineDrBallard
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Registered: 09/24/08
Posts: 21
Last seen: 10 years, 6 months
Re: inoculated 5 days ago -- contams!!!!! [Re: ScavengerType]
    #9088856 - 10/16/08 09:22 PM (16 years, 3 months ago)

just drained them, and no glove box.
but it's the blue stuff that troubles me... ... looks like rotten grain :frown:

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OfflineDrBallard
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Registered: 09/24/08
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Re: inoculated 5 days ago -- contams!!!!! [Re: DrBallard]
    #9088869 - 10/16/08 09:24 PM (16 years, 3 months ago)

it's not every jar YET, and I also used 3 different syringes, bought from spores101

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Offlinemushroomhunter10
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Re: inoculated 5 days ago -- contams!!!!! [Re: DrBallard]
    #9089151 - 10/16/08 10:11 PM (16 years, 3 months ago)

Where can I view RR's videos??

Thanks


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InvisibleShr00mZ
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Registered: 04/15/08
Posts: 1,454
Re: inoculated 5 days ago -- contams!!!!! [Re: mushroomhunter10]
    #9089166 - 10/16/08 10:14 PM (16 years, 3 months ago)



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Offlinenastea
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Registered: 09/04/08
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Re: inoculated 5 days ago -- contams!!!!! [Re: mushroomhunter10]
    #9089175 - 10/16/08 10:16 PM (16 years, 3 months ago)

Most of the time when using grain alot of contaimination problems because your water content is off, you want to shoot for 48-52% water in the grain. Then obviously PC. What is the moisture content of the grain your using?


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OfflineDrBallard
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Re: inoculated 5 days ago -- contams!!!!! [Re: DrBallard]
    #9089233 - 10/16/08 10:26 PM (16 years, 3 months ago)

Man I wish I knew, how do you calculate it?

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OfflineRogerRabbitM
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Re: inoculated 5 days ago -- contams!!!!! [Re: DrBallard]
    #9089293 - 10/16/08 10:37 PM (16 years, 3 months ago)

Mold comes from mold spores.  You must use a glovebox to ensure success.  Otherwise, your chances are very slim.  There's a short video clip on grain prep on my site.
RR


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Offlinenastea
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Registered: 09/04/08
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Loc: Mars
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Re: inoculated 5 days ago -- contams!!!!! [Re: DrBallard]
    #9089308 - 10/16/08 10:41 PM (16 years, 3 months ago)

It just takes practice, you could likely use the same method to calculate moisture content before adding water. To do that you take 100 grams of wet, bake in the the oven at 250 degrees for for 3-4 hours and then weigh that same amount and calculate the difference.

You should do this prior to adding water so that you can determine how much water to add. Which should be around 2/3-3/4 cup water to 1 cup of rye (quart jars).


--------------------
Commonly asked questions that have been answered far too many times.

PF Tek Videos
NOOB? Then read this
Grow Bag Pointers
Hygrometer Calibration
Incubation Temperatures
Best lighting source
Contaminants
Grow Guides

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Offlinenastea
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Re: inoculated 5 days ago -- contams!!!!! [Re: RogerRabbit]
    #9089316 - 10/16/08 10:43 PM (16 years, 3 months ago)

Quote:

RogerRabbit said:
Mold comes from mold spores.  You must use a glovebox to ensure success.  Otherwise, your chances are very slim.  There's a short video clip on grain prep on my site.
RR




Completely agree, but doesn't having your moisture content off also create better enviroments for mold to colonize?


--------------------
Commonly asked questions that have been answered far too many times.

PF Tek Videos
NOOB? Then read this
Grow Bag Pointers
Hygrometer Calibration
Incubation Temperatures
Best lighting source
Contaminants
Grow Guides

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OfflineScavengerType
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Registered: 01/24/08
Posts: 5,784
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Re: inoculated 5 days ago -- contams!!!!! [Re: nastea]
    #9089346 - 10/16/08 10:49 PM (16 years, 3 months ago)

Moisture content is key and that is why he linked to his rye prep video. However I bet it's not having a glove box.

Edit: Good way to guesstemate is if the blueish stuff is on the bottom it's probibly Moisture Content if it's growing around the same area as the spores it's probibly no glovebox. Fix both and you won't have to worry.


--------------------
"Have you ever seen what happens when a grenade goes off in a school? Do you really know what you’re doing when you order shock and awe? Are you prepared to kneel beside a dying soldier and tell him why he went to Iraq, or why he went to any war?"
"The things that are done in the name of the shareholder are, to me, as terrifying as the things that are done—dare I say it—in the name of God. Montesquieu said, "There have never been so many civil wars as in the Kingdom of God." And I begin to feel that’s true. The shareholder is the excuse for everything."
- Author and former M6/M5 agent John le Carré on Democracy Now.
Conquer's Club

Edited by ScavengerType (10/16/08 10:51 PM)

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Offlinenastea
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Re: inoculated 5 days ago -- contams!!!!! [Re: ScavengerType]
    #9089356 - 10/16/08 10:52 PM (16 years, 3 months ago)

Oh of course, I have a very nice one I made :smile: I also use a nice HEPA filter in my "lab".


--------------------
Commonly asked questions that have been answered far too many times.

PF Tek Videos
NOOB? Then read this
Grow Bag Pointers
Hygrometer Calibration
Incubation Temperatures
Best lighting source
Contaminants
Grow Guides

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OfflineDrBallard
Stranger
Registered: 09/24/08
Posts: 21
Last seen: 10 years, 6 months
Re: inoculated 5 days ago -- contams!!!!! [Re: DrBallard]
    #9089384 - 10/16/08 11:00 PM (16 years, 3 months ago)

Thanks for the replies guys, hope the next batch will be succesfull! ...
gonna go grab a glovebox and ... read some more!

Edited by DrBallard (10/16/08 11:02 PM)

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