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Offlinediscountpass
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FC/Casing Q, overlay?
    #5447075 - 03/27/06 11:22 AM (17 years, 10 months ago)

ok, i put my casing in my martha FC 4 days ago. coolmist 24/7 ultrasonic 10mins every 2 hours. im just woundering if it is supposed to look like this...





Would this be called overlay?


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Edited by discountpass (03/27/06 11:30 AM)


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Offlinediscountpass
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Re: FC/Casing Q, overlay? [Re: discountpass]
    #5447586 - 03/27/06 01:32 PM (17 years, 10 months ago)

some help here.......


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InvisiblePremedman1
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Re: FC/Casing Q, overlay? [Re: discountpass]
    #5447676 - 03/27/06 01:51 PM (17 years, 10 months ago)

Those casings look fine. Humidity might be a little high, but other than that, they look great. Overlay is dead mycelium on top of the casing. What you have is healthy, rhyzomorphic growth poking through the casing layer. You should see knotting/pinning very soon. I'd also wrap those clear containers with foil to help prevent side pinning. Nice job so far. :wink:


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OfflineCray
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Re: FC/Casing Q, overlay? [Re: Premedman1]
    #5447683 - 03/27/06 01:53 PM (17 years, 10 months ago)

whats your temps and humidity? What you have for a casing layer?


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Offlinediscountpass
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Re: FC/Casing Q, overlay? [Re: Cray]
    #5447898 - 03/27/06 03:09 PM (17 years, 10 months ago)

Quote:

Cray said:
whats your temps and humidity? What you have for a casing layer?




72deg's 99%RH but it might be higher. 50/50 verm coir.


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Offlinehyphae
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Re: FC/Casing Q, overlay? [Re: discountpass]
    #5448313 - 03/27/06 05:06 PM (17 years, 10 months ago)

Quote:

discountpass said:
Quote:

Cray said:
whats your temps and humidity? What you have for a casing layer?




72deg's 99%RH but it might be higher. 50/50 verm coir.



50/50 is a peat based formula where did you get the idea it was for coir? Coir formulas are optimally 60/40 or 70/30.


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Getting the most out of your casings!, A pinning strategy.
Oyster Shell "Flour" $2 for 1lb. a hell of a deal :wink:
Not what is overlay but rather what overlay is
Gas Exchange vs. FAE

"We all have priorities. I used a closet once setup a nice little lab trouble was all the shit that was in there ended up in the bedroom that pissed off the GF then I ended up dumping her as she was getting in the way of my sterile culture technique! Ya I got priorities too!!!"


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Offlinehyphae
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Re: FC/Casing Q, overlay? [Re: Premedman1]
    #5448328 - 03/27/06 05:10 PM (17 years, 10 months ago)

Quote:

Premedman1 said:
Those casings look fine. Humidity might be a little high, but other than that, they look great. Overlay is dead mycelium on top of the casing. What you have is healthy, rhyzomorphic growth poking through the casing layer. You should see knotting/pinning very soon. I'd also wrap those clear containers with foil to help prevent side pinning. Nice job so far. :wink:



Actually overlay is quite alive bro and continues to veg when it should be in the generative state. FYI :wink:


--------------------
Getting the most out of your casings!, A pinning strategy.
Oyster Shell "Flour" $2 for 1lb. a hell of a deal :wink:
Not what is overlay but rather what overlay is
Gas Exchange vs. FAE

"We all have priorities. I used a closet once setup a nice little lab trouble was all the shit that was in there ended up in the bedroom that pissed off the GF then I ended up dumping her as she was getting in the way of my sterile culture technique! Ya I got priorities too!!!"


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OfflineDr_Mcgillicuddy
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Re: FC/Casing Q, overlay? [Re: hyphae]
    #5448356 - 03/27/06 05:22 PM (17 years, 10 months ago)

you might want to cover the sides on those containers you'll get side pinning if you don't


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InvisiblePremedman1
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Re: FC/Casing Q, overlay? [Re: hyphae]
    #5448866 - 03/27/06 08:10 PM (17 years, 10 months ago)

Quote:

hyphae said:
Quote:

Premedman1 said:
Those casings look fine. Humidity might be a little high, but other than that, they look great. Overlay is dead mycelium on top of the casing. What you have is healthy, rhyzomorphic growth poking through the casing layer. You should see knotting/pinning very soon. I'd also wrap those clear containers with foil to help prevent side pinning. Nice job so far. :wink:



Actually overlay is quite alive bro and continues to veg when it should be in the generative state. FYI :wink:




You're my man, Hyphae. I will always continue to back your pinning strategy, since it has helped me in so many ways. I must disagree with your statement that overlay is alive. When I get overlay, it becomes bright white and stops vegetative growth, well..., stops growth all together. Please enlighten me if I'm wrong. If you are correct (which you usually are :wink:) then the FAQ's need to be revised. I.E.  What is "overlay" (Clickety-Click)
"The condition when the fine strands of mycelia die and become hard and matted (as compared to the light, strandy mycelia you will become familiar with.) is called stroma. Overlay is often bright white, since it has become so matted and impenetrable. Mushrooms will not grow directly from a section having stroma, as the mycelia layer is dead on top, and cannot be penetrated from below. Touching stroma (it's generally not a good idea to touch casings) - it literally feels like it is one solid piece, as compared to the much more pliant healthy mycelia." :thumbup:


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Offlinehyphae
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Re: FC/Casing Q, overlay? [Re: Premedman1]
    #5450103 - 03/28/06 06:50 AM (17 years, 10 months ago)

From TMC:
"The mycelial mat formed by overlay makes the casing impervious to water and produces few pinheads Overlay also occurs if the casings surface is too dry, the humidity is too low or the air temp remains too high. Overlay can be counteracted by patching, but the cause must be diagnosed and carefully corrected if the culture is to be revived.

Overlay: A condition of the casing where mycelium has been allowed to completely cover the surface. Overlay, if overwatered, becomes matted."

Overlay is in no way dead mycelial matter FYI The FAQ's are not only wrong there but also in their definition of stroma! Just goes to show no one is perfect me included. :wink:


--------------------
Getting the most out of your casings!, A pinning strategy.
Oyster Shell "Flour" $2 for 1lb. a hell of a deal :wink:
Not what is overlay but rather what overlay is
Gas Exchange vs. FAE

"We all have priorities. I used a closet once setup a nice little lab trouble was all the shit that was in there ended up in the bedroom that pissed off the GF then I ended up dumping her as she was getting in the way of my sterile culture technique! Ya I got priorities too!!!"


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InvisibleCitric
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Re: FC/Casing Q, overlay? [Re: hyphae]
    #5450173 - 03/28/06 07:29 AM (17 years, 10 months ago)

Casing looks fine to me. Dont see any overlay.


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Offlinediscountpass
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Re: FC/Casing Q, overlay? [Re: Citric]
    #5450593 - 03/28/06 09:59 AM (17 years, 10 months ago)

Quote:

Citric said:
Casing looks fine to me. Dont see any overlay.




Cool, i started wigging out. lol thank you.


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InvisiblePremedman1
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Re: FC/Casing Q, overlay? [Re: Citric]
    #5453433 - 03/28/06 10:35 PM (17 years, 10 months ago)

Quote:

Holydiver said:
Also, don't get overlay confused with thick mycelial "finger" growth on the casing. A lot of people get them mixed up. Personally, thick colonization of the casing surface has never presented a problem.



Quote:

hawksapprentice said:
Not necessarily, rhizpmorphic growth is a aggressive form a mycellium.
Overlay by definition is a layer of DEAD mycellial growth on top of the casing layer that is inhibiting new mycellium to form pins.  What you have is a overgown casing.  Where the casing surface is covered in living mycellium, this can lead to overlay, but you dont have too bad of a case.



Quote:

agar said:
Hard overlay is when the surface myc DIES & forms a coating of dead hide over the substrate.




Quote:

Blue Helix said:

The mycelium blasts through 50/50 casing almost too fast, and the OVERLAY caused me a great deal of difficulty when watering and misting. Never heat the casing from above (like with a light) or circulate air forcibly over the casing. Both of these will cause the mycelium to dehydrate and DIE, and once it dies on the surface, it won't pin from under where it's healthy.




I don't know man, I'm still confused. :confused: Is overlay dead? Does it differ from complete/over colonization of the casing layer. Can it be both? There seems to be a lot of conflicting opinions out there. I wish some old hand would lend out some advice. A lot of people throw this word around, and I don't think too many of us are quite sure of the true meaning.


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OfflineBamaman
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Re: FC/Casing Q, overlay? [Re: Premedman1]
    #5453711 - 03/28/06 11:52 PM (17 years, 10 months ago)

Yes, there are lot's of different opinions. But... alive or dead what does it matter who's right?

The bottom line is, how do you correct it and more importantly, do you even have it?.

...which has already been answered, no.

As for an old hand, that would be Hyphae.


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Offlinehyphae
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Re: FC/Casing Q, overlay? [Re: Premedman1]
    #5454055 - 03/29/06 06:30 AM (17 years, 9 months ago)

Believe me myc doesn't die that easily! If ya don'e believe me isolate a piece and grow it out on agar (the substrate not Da Man!) you will see it's very much alive! It's simply over vegged.


--------------------
Getting the most out of your casings!, A pinning strategy.
Oyster Shell "Flour" $2 for 1lb. a hell of a deal :wink:
Not what is overlay but rather what overlay is
Gas Exchange vs. FAE

"We all have priorities. I used a closet once setup a nice little lab trouble was all the shit that was in there ended up in the bedroom that pissed off the GF then I ended up dumping her as she was getting in the way of my sterile culture technique! Ya I got priorities too!!!"


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