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OfflineCbweaver1990
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Possible mono tub contam *DELETED*
    #25389074 - 08/15/18 08:21 AM (4 years, 5 months ago)

Post deleted by Cbweaver1990

Reason for deletion: Security


Edited by Cbweaver1990 (08/15/18 08:25 AM)


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OfflineKizzle
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Re: Possible mono tub contam [Re: Cbweaver1990]
    #25389220 - 08/15/18 12:20 PM (4 years, 5 months ago)

It looks like some of your spawn was contaminated with bacteria. That may very well lead to mold.


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Offlinepsycodee
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Re: Possible mono tub contam [Re: Kizzle]
    #25389236 - 08/15/18 12:47 PM (4 years, 5 months ago)

I dont think it is advisable to ever keep the grains exposed, I usually mix my colonised grains with about 80% of my substrate, then I put the remaining 20% on top, with a thin layer of dry vermiculite(or wax paper) on top, to keep the contams away.. it usually works great this way


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OfflineWing
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Re: Possible mono tub contam [Re: psycodee]
    #25389811 - 08/15/18 07:01 PM (4 years, 5 months ago)

I've left exposed grains on 90% of my grows. Casing is optional. Your grains should be colonized and more resistant to contam. Your substrate should be pasteurized. You should be good unless you have some weak mycelium or strong contam.

I don't see anything bacterial but Kizzle may be seeing something that I didnt.


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OfflineCbweaver1990
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Re: Possible mono tub contam [Re: Kizzle]
    #25390346 - 08/15/18 11:35 PM (4 years, 5 months ago)

I was worried about that, but everything looks kind of the same today. If it was bacterial and not bruising, wouldn’t I have seen it spread by now?


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OfflineCbweaver1990
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Re: Possible mono tub contam [Re: psycodee]
    #25390351 - 08/15/18 11:37 PM (4 years, 5 months ago)

When using bhods horse oat tek he also says that he never uses a casing layer for cubes. Maybe I’ll just do it and compare for my third tub and see what happens.


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OfflineCbweaver1990
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Re: Possible mono tub contam [Re: Cbweaver1990]
    #25390364 - 08/15/18 11:45 PM (4 years, 5 months ago)

Here’s the same tub in question today. Same area of tub, questionable areas circled. Any chance that that’s bruising?



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OfflineCbweaver1990
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Re: Possible mono tub contam [Re: Cbweaver1990]
    #25391426 - 08/16/18 09:08 AM (4 years, 5 months ago)

Bump


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OfflineWing
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Re: Possible mono tub contam [Re: Cbweaver1990]
    #25391473 - 08/16/18 10:16 AM (4 years, 5 months ago)

Pics are close enough. Needs good lighting and more detail.


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OfflineKizzle
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Re: Possible mono tub contam [Re: Wing]
    #25395625 - 08/18/18 12:52 PM (4 years, 5 months ago)

Quote:

Wing said:
I've left exposed grains on 90% of my grows. Casing is optional. Your grains should be colonized and more resistant to contam. Your substrate should be pasteurized. You should be good unless you have some weak mycelium or strong contam.

I don't see anything bacterial but Kizzle may be seeing something that I didnt.



A lot of the grains are't recolonizing as they should. That's from bacteria. It shouldn't take more than 2 days after spawning for the grains to recover. These are taking longer because the bacteria prevented the mycelium from colonizing the inside of the grain, so they're essentially uncolonized.

It generally is a good idea to sprinkle a little substrate over any exposed grains so they're not as vulnerable to airborne molds. I don't always do it either, mainly because I run out of substrate and it's not a big deal. This is exactly the kind of situation where it may have helped to do so.


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