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 Shroombitz
Not entitled to a title
 
Registered: 11/19/20
Posts: 175
Loc: Europe
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 How to revitalize stalled BRF jars? 
#27129710 - 01/06/21 06:18 AM (1 month, 19 days ago) |
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Are there any tricks one can do to make stalled BRF jars colonize further?
I got three jars of one batch and one of them stopped showing growth at 80% for like a week or two, the other two are at 95% showing good growth thou
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Ask not what your shrooms can do for you, ask what you can do for your shrooms.
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 LogicaL Chaos
Ascension Energy | UFOs | 2021
Registered: 05/12/07
Posts: 63,410
Loc: The Inexpressible... 
Last seen: 8 hours, 24 minutes
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 Re: How to revitalize stalled BRF jars? [Re: Shroombitz]
#27129735 - 01/06/21 06:41 AM (1 month, 19 days ago) |
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U can maybe try inject some sterile water to the stalled area of the jars 
Other than that, there isnt much u can do.
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Pearl
Stranger
Registered: 05/28/20
Posts: 261
Last seen: 58 minutes, 46 seconds
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Re: How to revitalize stalled BRF jars? [Re: LogicaL Chaos] 1
#27129742 - 01/06/21 06:47 AM (1 month, 19 days ago) |
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You can just wash off the uncolonized parts and do whatever you're doing with the cakes afterwards (birth/shred to bulk).
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 alaskappalachian
peakbagger
Registered: 10/22/19
Posts: 1,117
Loc: The 49th Dimension
Last seen: 8 minutes, 53 seconds
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Re: How to revitalize stalled BRF jars? [Re: Shroombitz]
#27129743 - 01/06/21 06:48 AM (1 month, 19 days ago) |
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If they stalled out, it's pretty likely that contamination is the cause and there's just nothing you'll be able to do. Give it a little more time and if it doesn't colonize further within a week, cut off the uncolonized portion and spawn it (as mentioned by Pearl). Given that it is likely contaminated (based on your description/without a good photo), you want to keep an eye on it after spawning. Sometimes cakes slow a bit towards the end and some grow at different rates, but a stalled cake that was prepared properly is almost always stalled due to contaminants. People used to flip them to get them to finish but that is outdated and compromises the verm barrier. Probably not lacking water. I prep cakes dry AF and they finish like clockwork.
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   “Science does not need mysticism and mysticism does not need science. But man needs both.”
-Fritjof Capra LAGM2021
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LogicaL Chaos
Ascension Energy | UFOs | 2021
Registered: 05/12/07
Posts: 63,410
Loc: The Inexpressible...
Last seen: 8 hours, 24 minutes
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Sorry, i meant to say one of the main reasons for stalling is PF material being too dry. But stalling can be caused by the substrate being too wet. The fix for this is patience as the cake slowly dries out over time due to gas exchange thru the inoculation holes. Another condition that occurs is what i call "cake fracturing". Its when the growing mycelium cant reach a fractured part of the cake (material too loose, inconsistent cake shape).
Infections can also stall a cake but usually thats quite obvious from looking at the mycelium itself and seeing it compete with an infectious contaminent.
Yes, if your jar stalls, and u see no further growth, u can proceed to the next step as long as no visible infections are present on the cake.
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anatomality
Nothern Counterpart
Registered: 05/31/20
Posts: 295
Loc: North East
Last seen: 7 hours, 25 seconds
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Re: How to revitalize stalled BRF jars? [Re: LogicaL Chaos]
#27129757 - 01/06/21 07:10 AM (1 month, 19 days ago) |
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Maybe loosen the cover to increase gas exchange... If it's contaminated there's not much to do though.
I agree with what pearl said as well.
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Check out my LAGM2021 log here.
“The strength of a person's spirit would then be measured by how much 'truth' he could tolerate, or more precisely, to what extent he needs to have it diluted, disguised, sweetened, muted, falsified.”
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Shroombitz
Not entitled to a title
Registered: 11/19/20
Posts: 175
Loc: Europe
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Re: How to revitalize stalled BRF jars? [Re: anatomality]
#27129864 - 01/06/21 09:18 AM (1 month, 19 days ago) |
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Alright guys, thanks for your time. I have made some pics
The good ones: 
  
The bad one: 
  
No worries, the green at the edge of the mycelium is just a neon marker to track the growth (made yesterday, so not much to see yet)
As for the GE, all jars had one or two 5mm holes, I have made the holes wider to like 8mm two days ago. They are covered with one layer of micropore tape
All jars seem to show a healthy hydrophobic sweat, the stalled one maybe a bit less thou
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Ask not what your shrooms can do for you, ask what you can do for your shrooms.
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