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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation
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Re: Peroxide solves white film on pins [Re: mushboy]
    #25032156 -

Interesting stuff so far :popcorn:


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Re: Peroxide solves white film on pins [Re: mary fairchild]
    #25032182 -

Ah...sorry, I misread your last statement.


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Re: Peroxide solves white film on pins [Re: Mycolorado]
    #25032688 -

I use a martha style greenhouse and I've added 3% peroxide mixture to my cool mist humidifier as a sort of sanitizer off an on for the last couple years
I've recently started another round of APES, they all had the same white film that marry is talking about untill i used a 3% mixture in my cool mist humidifier, it seems to have cleared up the infection overnight
Now to see if the little pins will grow faster

Before  peroxide


After peroxide

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Re: Peroxide solves white film on pins [Re: 99.99]
    #25032740 -

99.99 said:
I use a martha style greenhouse and I've added 3% peroxide mixture to my cool mist humidifier as a sort of sanitizer off an on for the last couple years
I've recently started another round of APES, they all had the same white film that marry is talking about untill i used a 3% mixture in my cool mist humidifier, it seems to have cleared up the infection overnight
Now to see if the little pins will grow faster

Before  peroxide


After peroxide



I sprayed my grow with peroxide because the white coating was dense and I knew from earlier grows that the pins were not going to mature. Peroxide worked great for that.
Hard to tell but your pins don't look as bad as mine.
Less dense coating or flecks don't seem to halt growth of the pins.

A CAUTION
The white stuff on the caps may be vegetative mycelia.
There's a big IF, but:
Peroxide removes or kills whatever is causing the white film on the cap of the pin. If the white coating on the caps is vegetative mycelia, that means that form of mycelia is vulnerable to peroxide. The mycelia at the surface of the substrate or case layer may also be vulnerable. Conceivably peroxide may interfere with the very early stage of mushroom development (hyphal knots to primordia).

Its interesting that peroxide blown out from your humidifier is able to clean up your pins.  Please keep me informed on the progress of you grow- especially production of more pins.

Edited by mary fairchild (03/02/18 01:15 PM)

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Re: Peroxide solves white film on pins [Re: mary fairchild]
    #25033092 -

One could always swab a plate with a cap to determine if it’s a contam....I’m guessing cube myc will grow.


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Re: Peroxide solves white film on pins [Re: Mycolorado]
    #25033584 -

I know what my APE look like as pins from my last grow and the film on these was new to my culture

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Re: Peroxide solves white film on pins [Re: 99.99]
    #25033763 -

White flecks seem pretty common on the caps of cubes during their maturation process.

Speculation but, the film may just be spreading from the white flecks  across the whole surface of the cap.
In a normal grow something just holds it in check to keep it from spreading over the whole cap.

Edited by mary fairchild (03/02/18 06:37 PM)

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Re: Peroxide solves white film on pins [Re: mary fairchild]
    #25034892 -

I think you just got impatient. It's normal for pins to form that don't start maturing right away.


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Re: Peroxide solves white film on pins [Re: Kizzle]
    #25035139 -

Interesting stuff.
Might be contam or vegetative revert just like mycolorado mentioned.

The h2o2 may have altered the climate condition or knock the contam abit.
Have been playing with ozone for a while now.
If my memory serve me right, Natural ozone reacts with terpenes in the forest which produce h2o2.

Edited by pacmanbreed (03/03/18 06:24 AM)

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Re: Peroxide solves white film on pins [Re: pacmanbreed]
    #25035737 -

I guess its not that common of a problem and for me its much less of a problem now because its fixable. I don't need to do a lot of cube grows- don't need that much product for my purposes.
Just thought it might be worth considering for anyone who runs into it.

Thanks to all for your interest, and for your responses to this thread!


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Edited by mary fairchild (03/03/18 02:24 PM)

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Re: Peroxide solves white film on pins [Re: mary fairchild]
    #25035746 -

Bacteria issues in the spawn is my guess



Hence the pinning survival mechanism

Either way it's not healthy I wouldn't be trying to salvage


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Re: Peroxide solves white film on pins [Re: bodhisatta]
    #25035754 -

I'd say if peroxide enters the equation maybe it's time to toss... like this.


I remember that tub smelling like bad cheese.

@mary, would you spray mine with h202 or toss?


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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation
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