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Offlinenunciate
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Casing layer over-colonizes every damn time
    #4125267 - 05/02/05 10:37 PM (12 years, 4 months ago)

So, I have a friend who has been doing this for just under a year.  Every casing she has had over-colonizes.  This happens whether she fruits it directly after crumbling cakes and applying the layer or if she lets a myc spot or two surface to even letting it over-colonize a bit just to see if it'll frickin stop for once.  She's tried every state of progress in between as well.  She thought this was because of constant temps between incubating and fruiting, but has built a TiT and still gets the same results.
Any thoughts on why a casing layer would continue to colonize after being exposed to ambient light, a temp drop of ~10F and constant fresh air?
The strains in question would be B+ and Costa Rican, edibles both.  :smile:  Substrates being BRF cakes, whole brown rice, WBR + flax seed meal and WBR + FSM + ground WBS.
It's gotta be something with her fruiting chamber, I think.  But what?  It's a PMP, plenty of air exchange, plexi-glass window on top with a very thin sheet over the top, humidity hovering between 70% and 90%, we think (her hygrometer is shit).  Temps between mid 60s to low 80s.  I know the temps are high, but she had these same results in winter when the temps were held at 72F with an aquarium heater.
Any help would be appreciated.
I would also like to add that she gets good yields and knows they'll pin eventually, but is just stumped as to why they want to take over the surface layer before doing so, as she knows this is not recommended.


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InvisibleMrMaddHatter
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Re: Casing layer over-colonizes every damn time [Re: nunciate]
    #4125283 - 05/02/05 10:41 PM (12 years, 4 months ago)

What casing mix you using? What ratios?


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OfflineHippieChick
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Re: Casing layer over-colonizes every damn time [Re: nunciate]
    #4125286 - 05/02/05 10:41 PM (12 years, 4 months ago)

I have heard that too high of humidity can lead to overlay. Has she tried cold shocking to slow the mycelium down?
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Offlinenunciate
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Re: Casing layer over-colonizes every damn time [Re: MrMaddHatter]
    #4125293 - 05/02/05 10:44 PM (12 years, 4 months ago)

Quote:

MrMaddHatter said:
What casing mix you using? What ratios?




50/50+

HippieChick: No she has not cold shocked yet. She might try that next time. [edit] But she has yet to try a cold-shock as she read that most find it unnecessary.


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Edited by nunciate (05/02/05 10:51 PM)


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InvisibleMrMaddHatter
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Re: Casing layer over-colonizes every damn time [Re: nunciate]
    #4125335 - 05/02/05 10:53 PM (12 years, 4 months ago)

A cold shock may help.

How deep is the casing layer?


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Offlinenunciate
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Re: Casing layer over-colonizes every damn time [Re: MrMaddHatter]
    #4125350 - 05/02/05 10:56 PM (12 years, 4 months ago)

Quote:

MrMaddHatter said:
A cold shock may help.

How deep is the casing layer?




Eh, casing layer depth has not been constant at all. SHe tries to keep a 1 part casing layer to every 4 parts substrate depth ratio, but, depending on ready substrate and container available, it varies. Likely, the casing layer isn't all that deep. maybe 5:1 average.


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Invisibleagar
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Re: Casing layer over-colonizes every damn time [Re: nunciate]
    #4125428 - 05/02/05 11:18 PM (12 years, 4 months ago)

Sounds to me as if the casing layer is to thin & the colonizing substrate just rifles right through it, as if it doesnt have a casing layer cover.

It also sounds like you need to add some aged h/poo, or at least fine chopped straw to you substrate - to give it more lignum fiber.

I assume you let the substrate colonize fully (then some) - before you add the casing layer.


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Offlinenunciate
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Re: Casing layer over-colonizes every damn time [Re: agar]
    #4125468 - 05/02/05 11:26 PM (12 years, 4 months ago)

Actually, now that you mention it, I think it might be a combination of a shallow casing depth and not enough jar colonization.

As for adding poo/straw.... She can only stealth so much. She likes Whole rice with the addition of a teaspoon or two of flax seed meal and ground wbs per pint. Due to living conditions, most anything else (better) is out.

I'll tell her to cool her jets and let the jars sit a few days more and add a deeper casing layer next time.


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OfflinekronnyQ
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Re: Casing layer over-colonizes every damn time [Re: nunciate]
    #4125515 - 05/02/05 11:35 PM (12 years, 4 months ago)

coldshockcoldshockcoldshockcoldshock!!

Ppl say its not necessary or doesn't help, but my last casing is a biggie and she is still going about 3 weeks later from first fruits. I wish ppl on here would be more serious about cold shock!

I had overlay problems just like you, so you know what I did? I added another 3/4" casing layer after it was mostly colonized, incubated for 2 days, then cold shocked for 40 hours. 1 day later mega pins popping out.

The temp drop gives your mycelium network a good kick in the ass and sez 'Stop growin and start pinnin'.

It's quite obvious that naturally grown shrooms get a temperature drop at night, and when you grow indoors you want to duplicate nature as much as possible. If you don't have a way of dropping temp cold shock in the fridge is the only way.


Edited by kronnyQ (05/02/05 11:39 PM)


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Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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