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OfflineEclipse3130
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Re: Huge contamination outbreak - Flowhood question [Re: Sockadin]
    #26511943 - 03/01/20 08:16 PM (3 years, 10 months ago)

Quote:

Sockadin said:
This whole time I'm like.... I don't see anything. Have to put it to grain? Nice that you realized it was just fuzzy mycelium.




The mycelium is naturally rhizomorph on most of my strains, I was using a different agar mixture that I didn't realize had a ton of dextrose added to it as it was a pre-made mix.

All mycelium will look like this on plates if you have a high enough nutrient content, I believe


--------------------
"In The Material World One seeks retirement and grows Old
In The Magical World One seeks Enlightenment and grows Wiser
In The Miraculous World One seeks nothing and grows Lighter
As we all tread the Homeward Path we will explore many Realms
And one day... we will all Realize that all experiences are Simply
Different ways in which The
All-That Is
Perceives Itself"


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Invisiblec10h12n2o
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Re: Huge contamination outbreak - Flowhood question [Re: Eclipse3130]
    #26512075 - 03/01/20 10:59 PM (3 years, 10 months ago)

I still think its coronavirus


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C10's Agar Guide + Tips and Tricks | c10's Flow Hood Build Guide


"Partial knowledge is more triumphant than complete knowledge; it takes things to be simpler than they are, and so makes its theory more popular and convincing."

"Convictions are more dangerous enemies of truth than lies"
― Friedrich Nietzsche


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OfflineEclipse3130
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Re: Huge contamination outbreak - Flowhood question [Re: c10h12n2o] * 1
    #26539791 - 03/17/20 01:02 AM (3 years, 10 months ago)

Some updated pictures still trying to figure this out.

I'm still using the heavy nutrient agar which I guess has been known to benefit contams, and also fluffy Mycelium growth.. Just made a few more plates with 1:1 ratio agar to LME, hopefully will tell the tale of what's going on

Confusing to tell if these plates are healthy or not, all my plates have some degree of vertical fluffy growth when viewed from the side, some more tomentose strains show it better

I have made quite a few test plates in front of my flow hood and nothing has grown on them in weeks, so I know the hood isn't the problem. If it is a contam it is coming from bad technique or I'm directly transferring it from my original clean plates, which would make the most sense as it's not popping up anywhere else on the plate







--------------------
"In The Material World One seeks retirement and grows Old
In The Magical World One seeks Enlightenment and grows Wiser
In The Miraculous World One seeks nothing and grows Lighter
As we all tread the Homeward Path we will explore many Realms
And one day... we will all Realize that all experiences are Simply
Different ways in which The
All-That Is
Perceives Itself"


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InvisibleHobbyist
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Re: Huge contamination outbreak - Flowhood question [Re: Eclipse3130] * 1
    #26540094 - 03/17/20 06:58 AM (3 years, 10 months ago)

I dunno brother, to me those look healthy. 

I'm surprised at the heavy riso growth on high nutrition plates.


--------------------
Everything i say is completely hypothetical...



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OfflineLogicaL ChaosM
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Re: Huge contamination outbreak - Flowhood question [Re: Eclipse3130]
    #26540099 - 03/17/20 07:01 AM (3 years, 10 months ago)

Those plates look clean to me :shrug:


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OfflineSockadin
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Re: Huge contamination outbreak - Flowhood question [Re: LogicaL Chaos]
    #26540384 - 03/17/20 09:32 AM (3 years, 10 months ago)

I think he switched plates 15 days ago and these are low nute plates.


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Offlinemigraineur
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Re: Huge contamination outbreak - Flowhood question [Re: Eclipse3130]
    #26540418 - 03/17/20 09:53 AM (3 years, 10 months ago)

By the way, you can make your expensive HEPA filter last a lot longer by jerry rigging a cheaper pre-filter on your air intake. Furnace filters work really well. You can cut them up and use duct tape to keep them in place.


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OfflineSockadin
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Re: Huge contamination outbreak - Flowhood question [Re: migraineur]
    #26541002 - 03/17/20 03:10 PM (3 years, 10 months ago)

I don't because if your in a relatively clean environment like a extra bathroom or closwt I saw someone post that their  efficiency improves over time. And if it is on the internet, it's got to be true.


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Offlinesporecap
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Re: Huge contamination outbreak - Flowhood question [Re: Sockadin]
    #26541036 - 03/17/20 03:31 PM (3 years, 10 months ago)

I have exactly the same growth on my plates as you, but for me it's clearly LME and/or low nutes-> tomentose, fluffy, and grain water/high nutes->rhizo. When I lower the nutes in the grain water by diluting it, I can observe how the myc gradually becomes more tomentose.

Grain water/high nutes


LME 2%, low nutes


How much MEA/Dextrose do you use?


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OfflineEclipse3130
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Re: Huge contamination outbreak - Flowhood question [Re: sporecap]
    #26541066 - 03/17/20 03:51 PM (3 years, 10 months ago)

The ratio is excessive on the pictured plates, 30% dextrose 30% LME. It makes me wonder if I'm growing bacteria because of the high nutrient content and then transferring it to my oat jars. I just made some new ones with 8g LME to 10g agar ratio to see if anything changes

I'm also new to using oats and don't know how to read them, so that's overall why I'm so concerned.

A couple 5 days into G2G, other jars are all agar to grain





No flash


--------------------
"In The Material World One seeks retirement and grows Old
In The Magical World One seeks Enlightenment and grows Wiser
In The Miraculous World One seeks nothing and grows Lighter
As we all tread the Homeward Path we will explore many Realms
And one day... we will all Realize that all experiences are Simply
Different ways in which The
All-That Is
Perceives Itself"


Extras: Filter Print Post Top
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