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Offlinesergigs
Stranger
Registered: 11/02/15
Posts: 5
Last seen: 7 years, 3 months
Possible Contamination
    #22505250 - 11/10/15 02:05 PM (8 years, 2 months ago)

Hello everyone!

I recently got interested in psychedelic mushrooms and I've been lurking around these forums a lot. Plenty of useful information.

I got my first growing kit (already colonized) of the Koh Samui strain about a month ago and it's already on the third flush.

The thing is that yesterday I looked by chance at the bottom of the cake and noticed a considerably big yellow spot (picture attached). I don't know how much time it has been there, nor if it was already there when I harvested the second flush but it's bugging me.

From what I've read in the forums, "not white, not good", but at some point I also read that as long as the mushies look ok, they are fine to eat, so since I am pretty much a noob in this world I'd like to ask if any of you could shed some light on this. The rest of the cake (top and sides) looks fine though, so could I pick the mushrooms when they are ready? Or should I trash the whole thing right away?





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OfflineArush
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Registered: 05/06/13
Posts: 312
Loc: Canada Flag
Last seen: 5 years, 9 months
Re: Possible Contamination [Re: sergigs]
    #22505334 - 11/10/15 02:20 PM (8 years, 2 months ago)

Metabolites, which is myc piss. Also, any fruits that grow from a contaminated substrate are safe to eat unless the mushroom itself has mold or whatever on it.
Could be fighting off contams or you have the temp too high. Room temp is perfect for fruiting.

Next time just do pf tek or wbs/bulk.
Grow kits are a waste.


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http://www.shroomery.org/forums/showflat.php/Number/22409475
“Psychedelics are illegal not because a loving government is concerned that you may jump out of a third story window. Psychedelics are illegal because they dissolve opinion structures and culturally laid down models of behaviour and information processing. They open you up to the possibility that everything you know is wrong.”
― Terence McKenna


Edited by Arush (11/10/15 02:22 PM)


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Offlinesergigs
Stranger
Registered: 11/02/15
Posts: 5
Last seen: 7 years, 3 months
Re: Possible Contamination [Re: Arush]
    #22507691 - 11/11/15 12:36 AM (8 years, 2 months ago)

Thanks! Actually I've been applying heat to the bottom of the cake on a regular basis since the very beginning; could be it.

Grow kits are not that bad for newbies who just want to "open the lid and fruit", but turns out that I'm finding this world quite fascinating so I'll definitely try something more elaborated in the future.


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OfflinePsilocyBen17
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Registered: 10/20/13
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Re: Possible Contamination [Re: sergigs]
    #22507712 - 11/11/15 12:44 AM (8 years, 2 months ago)

Looks like a bacterial contam IMO.


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Offlinesergigs
Stranger
Registered: 11/02/15
Posts: 5
Last seen: 7 years, 3 months
Re: Possible Contamination [Re: PsilocyBen17]
    #22507997 - 11/11/15 04:48 AM (8 years, 2 months ago)

Ugh.. bad news.
Is there a way to know for sure? Smell or something..

Also, isn't it weird to get a contam at the bottom rather than on the surface which is more exposed? (maybe from a previous dunking..)

Anyway, I'll probably harvest this flush and after that I'll just keep the grow kit to see how the thing develops. If it is actually a contamination i believe that at some point it should reach the top of the cake.


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InvisibleShroomspective
Looking into the void
I'm a teapot User Gallery


Registered: 09/26/15
Posts: 1,725
Loc: Far Far Away
Re: Possible Contamination [Re: sergigs]
    #22510158 - 11/11/15 04:31 PM (8 years, 2 months ago)

If its bacterial, which it might well be, then it'll be growing in the place with the best conditions for them i.e moist and warm. You might be able to smell slightly sweet or vinegar.

After you harvest you could give the substrate a good wash in clean water and clean the tub and see if that helps keep it a bay for long enough to fruit. If it turns to mold you'll need to trash it though


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Offlinesergigs
Stranger
Registered: 11/02/15
Posts: 5
Last seen: 7 years, 3 months
Re: Possible Contamination [Re: sergigs]
    #22516634 - 11/13/15 02:01 AM (8 years, 2 months ago)

-UPDATE-

Harvested batch (not many cubes but they look ok).


This is the bottom of the cake right now. To me it looks like the yellowish spot is less intense in color but has somewhat spread.



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InvisibleShroomspective
Looking into the void
I'm a teapot User Gallery


Registered: 09/26/15
Posts: 1,725
Loc: Far Far Away
Re: Possible Contamination [Re: sergigs]
    #22517701 - 11/13/15 11:28 AM (8 years, 2 months ago)

Looks there is some bacteria going on, but you may well get some more if you give it a dunk for a few hours


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OfflinePsilocyBen17
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Registered: 10/20/13
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Re: Possible Contamination [Re: Shroomspective]
    #22518223 - 11/13/15 01:56 PM (8 years, 2 months ago)

yeah, even if you used MS you should be pulling way more shrooms off that thing, the yeilds are lower when myc is putting its energy into fighting off contams.


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Offlinesergigs
Stranger

Registered: 11/02/15
Posts: 5
Last seen: 7 years, 3 months
Re: Possible Contamination [Re: PsilocyBen17]
    #22545204 - 11/19/15 04:17 AM (8 years, 2 months ago)

Looks like I finally found the reason.



Oh hello trich, how you doin'?


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InvisibleTheEaglesGift
The Nagual


Registered: 04/10/11
Posts: 10,554
Loc: Ixtlan, Mexico
Trusted Cultivator
Re: Possible Contamination [Re: sergigs]
    #22547679 - 11/19/15 04:41 PM (8 years, 2 months ago)

Quote:

Metabolites, which are myc piss extracellular compounds with antibiotic properties.




Mushrooms don't pee.


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OfflinePsilosoulful

Registered: 09/05/14
Posts: 7,205
Last seen: 1 year, 1 month
Re: Possible Contamination [Re: sergigs]
    #22577688 - 11/26/15 10:46 AM (8 years, 2 months ago)

Quote:

sergigs said:
Looks like I finally found the reason.



Oh hello trich, how you doin'?





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Offlinegbeau9080
WUBBA LUBBA DUB DUB
Male

Registered: 11/01/15
Posts: 204
Last seen: 8 years, 30 days
Re: Possible Contamination [Re: Psilosoulful]
    #22577944 - 11/26/15 11:46 AM (8 years, 2 months ago)

So how exactly does trich get a foothold in a monotub? Assuming you put in some clean spawns is it just a matter of keeping the tub closed off till it colonizes the coir or can it still attack a colonized tub cake?


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


"I'm like a catholic chasing a dreidel. I wouldn't know what to do with one if I caugh it!"

"It's simple: we, uh, circumcise the Batman."

"If you're good at something, never do it for free."


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OfflinePsilosoulful

Registered: 09/05/14
Posts: 7,205
Last seen: 1 year, 1 month
Re: Possible Contamination [Re: gbeau9080]
    #22577951 - 11/26/15 11:49 AM (8 years, 2 months ago)

Quote:

gbeau9080 said:
So how exactly does trich get a foothold in a monotub? Assuming you put in some clean spawns is it just a matter of keeping the tub closed off till it colonizes the coir or can it still attack a colonized tub cake?



If you have clean spawn, you already won like 80% of the battle against contams. The rest is just making sure your substrate is properly prepped and not over or under field capacity. Then close up the tub and wait for full colonization. :super:


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Offlinegbeau9080
WUBBA LUBBA DUB DUB
Male

Registered: 11/01/15
Posts: 204
Last seen: 8 years, 30 days
Re: Possible Contamination [Re: Psilosoulful]
    #22578057 - 11/26/15 12:07 PM (8 years, 2 months ago)

Mondo cool! And just to clarify, field capacity is just a fancy way of saying how much water is in the sub?


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


"I'm like a catholic chasing a dreidel. I wouldn't know what to do with one if I caugh it!"

"It's simple: we, uh, circumcise the Batman."

"If you're good at something, never do it for free."


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OfflinePsilosoulful

Registered: 09/05/14
Posts: 7,205
Last seen: 1 year, 1 month
Re: Possible Contamination [Re: gbeau9080]
    #22578084 - 11/26/15 12:12 PM (8 years, 2 months ago)

Yea, when you squeeze the mix, a thin stream of water should flow down from your clenched fist. If you squeeze harder, then only a couple of water droplets should escape. RR demonstrates it well in this video. (Skip to the 5:00 minute mark)


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