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OfflineGratefulShag
Shagadelic


Registered: 02/04/17
Posts: 88
Last seen: 3 years, 3 months
Is this bacterial contamination?
    #26995940 - 10/21/20 08:43 AM (3 years, 3 months ago)

These have been in monotub for about 13 days. The surface is very grey, not whatI usually see at this point. I noticed these rye grains not mixed well on the side, and they look to be bacterial. Any thoughts? I included a picture of the surface but you cant really see what I'm talking about in terms of grey, wispy myc/contams. Any insight would be great. Thanks.


Edited by GratefulShag (10/21/20 08:45 AM)


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OfflineNonagon Infinity
Mycologist
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Registered: 06/02/20
Posts: 756
Loc: Polygondwanaland
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Re: Is this bacterial contamination? [Re: GratefulShag]
    #26995955 - 10/21/20 08:54 AM (3 years, 3 months ago)

In your second picture, there are some questionable yellow-ish bubbles of water, but I couldn't say for sure. That's the only picture where I see anything, and I'm not sure if I'm just seeing some of the rye grains.

I also made the mistake of not mixing the grains well enough on my last grow. I'll definitely be more thorough on my next round!


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OfflineDoobie Brother
Lab Tech
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Registered: 10/20/20
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Re: Is this bacterial contamination? [Re: Nonagon Infinity]
    #26996007 - 10/21/20 09:34 AM (3 years, 3 months ago)

As a former microbiologist (retired now) I can tell you that imho there is no clear evidence of bacterial contamination ... yet.  Please bear in mind I have no experience with growing shrooms (yet) but have decades of bacterial identification when grown on agar plates and/or nutrient broths. 

Post any changes you see, and I'll have a look for what it's worth.

Cheers


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OfflineMessiah of Savants
Shaman
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Registered: 07/02/08
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Last seen: 9 months, 17 days
Re: Is this bacterial contamination? [Re: Doobie Brother]
    #26996064 - 10/21/20 10:08 AM (3 years, 3 months ago)

Looks perfectly fine to me.


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OnlineBig_Dub
I'm just some guy
Male


Registered: 01/12/11
Posts: 2,640
Loc: Los Angeles Flag
Last seen: 4 minutes, 55 seconds
Re: Is this bacterial contamination? [Re: Messiah of Savants]
    #26996158 - 10/21/20 10:56 AM (3 years, 3 months ago)

looks okay. good luck. make sure to take prints!!


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