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Mushrooms, Mycology and Psychedelics > Advanced Mycology
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recipe for peroxide?
    #4045008 -

I managed to find a recipe for preparing substrate with peroxide didn't bookmark the web page and now i can't find it it was something like 3 teaspoons of peroxide to 3.5 cups water.

can anyone give me a link to a site that has the recipe not just promoting the peroxide manual.

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Re: recipe for peroxide? [Re: sleepingbigguy]
    #4046153 -

here ya are:
http://www.shroomery.org/index/par/23462

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Re: recipe for peroxide? [Re: Aeolus1369]
    #4046258 -

this recipe isn't for agar it's for bulk sub. anyway i managed to find it agian so thanks anyway

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Re: recipe for peroxide? [Re: sleepingbigguy]
    #4046322 -

sleepingbigguy said:
I managed to find a recipe for preparing substrate with peroxide


you get what you ask for...

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Re: recipe for peroxide? [Re: debianlinux]
    #4046443 -

why the hell would you use peroxide in your substrate? i thought that shit was used to kill bacteria, you know, putting it on open wounds and such.

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Re: recipe for peroxide? [Re: Abermelin]
    #4046481 -

so you don't have to PC? bacteria live in substrate, you know.


--------------------
To be honest, I fear the OTD. ---TheMadConductor

Now I'm gonna have to start getting down on my knees and blowing mushrooms... ---RogerRabbit

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Re: recipe for peroxide? [Re: debianlinux]
    #4046583 -

yeah i know i didn't word it the best.

just experimenting with bulk subs and different methods.

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Re: recipe for peroxide? [Re: sleepingbigguy]
    #4047168 -

Abermelin, H2O2 is added to many things to keep out mold, like putting some in your spray bottle...you've never heard this before?? It will kill spores but is safe on mycelium when diluted with water.


--------------------
**"Both the psychedelic dream state and the waking psychedelic state acquire great import because they reveal to life a task: to become familiar with this dimension that is causing being, in order to be familiar with it at the moment of passing from life." -Terence McKenna


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Re: recipe for peroxide? [Re: crazytalken]
    #4047574 -

oh, no. damn, 2 years at this and im still a noob.

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Re: recipe for peroxide? [Re: Abermelin]
    #4047595 -

can you tell me how much peroxide i am supposed to had to a liter of water?

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Re: recipe for peroxide? [Re: Abermelin]
    #4049629 -

Abermelin said:
can you tell me how much peroxide i am supposed to had to a liter of water?


how much peroxide you use depends on the application and the concentration as well as personal taste.

i only use peroxide for agar recipes and casing misting.

i assume your refering to casing misting. my personal preference is roughly 2:1 or 3:1 water:peroxide. Oh, yeah, if you use a humidifier then add peroxide to the tank each time you top it off. Say goodbye to the molds that like to live in there. I know this is applicable to ultrasonics. I haven't tried it on other types but it stands to reason that it would work just as well.

Oh, I occasionally use peroxide when tranferring wedges to grain jars. Just dip the wedge for a few seconds then drop it in.

edit: oh, yeah, i mentioned concentration. All my methods involve 3% OTC h2o2. if your using a higher concentration then you, obviously, have to adjust your recipe accordingly.

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Re: recipe for peroxide? [Re: Abermelin]
    #4049767 -

10% of 3% h202

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Re: recipe for peroxide? [Re: sleepingbigguy]
    #4051187 -

3:1 as in if i were to put 4 cups liquid in my mister i would put 3 cups water + 1 cup h202? just checking, i suck at math.

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Re: recipe for peroxide? [Re: Abermelin]
    #4051900 -

that's right.

i've read of people using 10:1.

me, i consider peroxide cheap enough to use what i choose to believe is a more effective concentration. i certainly have no empirical data on the subject.


--------------------
To be honest, I fear the OTD. ---TheMadConductor

Now I'm gonna have to start getting down on my knees and blowing mushrooms... ---RogerRabbit

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Re: recipe for peroxide? [Re: debianlinux]
    #4053464 -

whats with this bs method of calculating concentrations?

10% of 3%..? :wtf: do you mean 0.3%?

or 10:1..?? where I live you can readily buy h2o2 at at least 3 different concentrations (3%, 6%, 30%) and with a little effort higher concentrations than that.

I really think it would benefit all parties if we try to conform to some form of standard. I suggest that the simplest would be the actual percentage of a pure solution. its not that hard to calculate, is it?

now I'm by no means an expert when it comes to to mycology, more of a happy hobbyist. but what I know about medicine one would use concentrations atleast 7% h2o2 to sterilize tools and surfaces.

however it seems this is "a bit" high, and solutions around 0,2-0,5 seems to be enough to deter unwanted growth in substrates, waters, agar, dunk/spraywater. but then again... as I said, I'm not a microbiologist, so i might be wrong then again... I'll most likely get "corrected":fire: if I am (wee, learning).


--------------------
Mindzpores words of wisdom:
"If you think something is foolproof, you just haven't met proper fools".

Wiccan_Seeker said:
"It is better to adjust to become a better listener than to keep on cranking up the volume".

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Re: recipe for peroxide? [Re: Mindzpore]
    #4053649 -

Yes... 10% of 3%

1 cup H2O2(3%) and 9 cups Water !!!

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Re: recipe for peroxide? [Re: Shdwstr]
    #4054022 -

are we all referring to standard h202 you buy at the store in a brown bottle? btw, 10:1 is a far shot from 3:1. thats the difference between life and death for mycellium.

someone clairfy this, i dont want to kill my cakes.

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Re: recipe for peroxide? [Re: Abermelin]
    #4054086 -

1 cup H2O2(3%) and 9 cups Water !!!

Is this not clear?
1 Cup of 3% Hydrogen Peroxide from the store in a brown bottle.
Mix with..
9 Cups of Distilled or Spring water from a semi-clear bottle from the store.

This will give you a 10% solution of a 3% H2O2 mixture or... 0.3% solution

Can be used for Misting, mixing casings, dunking, etc. your choice.
Pretty much anything except spore syringes.

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Re: recipe for peroxide? [Re: sleepingbigguy]
    #4054220 -

Essential Solutions 101

You may want to check this thread out.

Joshua


--------------------
The Shroomery Bookstore

Great books for inquiring minds!

"Life After Death is Saprophytic!"

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Re: recipe for peroxide? [Re: Abermelin]
    #4054777 -

Abermelin said:
are we all referring to standard h202 you buy at the store in a brown bottle? btw, 10:1 is a far shot from 3:1. thats the difference between life and death for mycellium.

someone clairfy this, i dont want to kill my cakes.


shadwstr = 10:1
debianlinux = 3:1
Joshua = 1:1

Seems we are all getting along pretty well on our respective concetrations. my original post on the topic was full of "personal choice" and "choose to believe" precisley because I've witnessed a wide variety of concentrations being used with success. basically, the more your going to be using it the lower the concentration should be. You don't want your mycelium to have to keep wasting energy decomposing peroxide that could be better spent on fruiting/colonising. if you're strictly cautiously misting casings, i'd hazard you could get by with straight 3%. for misting bare pf type cakes you definitely want to tone it down.

Edited by debianlinux (04/14/05 12:58 PM)

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