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Offlinetheallseeingeye
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Questions on the use of Hydrogen Peroxide...
    #14708446 - 07/02/11 08:40 PM (12 years, 10 months ago)

I have recently read a post be a recommended mushroom cultivator saying the use of hydrogen peroxide is outdated, I would like to know why?

It would make sense that hydrogen peroxide would be detrimental for sanitizing anything around mushroom spores, but wouldn't using H202 help for colonizing mycelium during fruiting, considering the mycelium releases enzymes that break H202 into oxygen and hydrogen... and prevents any other contaminants...

Just wondering as I am considering using h202, not that I have had any contaminants, but I am starting to use coir and I have read that sometimes after the third flush contaminants start to grow...

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InvisibleCarl Sagan
Time Dilation Analyst


Registered: 04/19/11
Posts: 922
Loc: Myco-tek.org
Re: Questions on the use of Hydrogen Peroxide... [Re: theallseeingeye]
    #14708534 - 07/02/11 09:00 PM (12 years, 10 months ago)

H2O2 is great. Use it at full strength. It comes pre diluted. If you want a super disinfectant
spray the surface with vinegar, then H2O2, but don't mix the two in the same bottle.


--------------------
“Sacred cows make the best hamburger”

Mark Twain



Independant Research Foundation

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Offlinetheallseeingeye
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Re: Questions on the use of Hydrogen Peroxide... [Re: Carl Sagan]
    #14708548 - 07/02/11 09:03 PM (12 years, 10 months ago)

Sounds good! What does vinegar do exactly... just curious

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InvisibleCarl Sagan
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Re: Questions on the use of Hydrogen Peroxide... [Re: theallseeingeye]
    #14708567 - 07/02/11 09:09 PM (12 years, 10 months ago)

Studies performed in the 1990s showed that rinsing produce in water or even using a detergent does little to remove microbes.  Sumner wanted to find a simple solution for restaurants and other establishments that provide raw salads.  She used simple laundry spray bottles to mist produce with vinegar and then with hydrogen peroxide.  The combination is highly effective and causes little effect on the food's taste.  Which solution is applied first makes no difference, but using the two in combination is key.  "If the acetic acid got rid of 100 organisms," Sumner told Science News Online, "the hydrogen peroxide would get rid of 10,000, and the two together would get rid of 100,000 . . . every [microbe] that drips off is killed."  The combination also effectively cleans cutting boards and kitchen counters.


--------------------
“Sacred cows make the best hamburger”

Mark Twain



Independant Research Foundation

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Offlinediatom
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Re: Questions on the use of Hydrogen Peroxide... [Re: theallseeingeye]
    #14708582 - 07/02/11 09:14 PM (12 years, 10 months ago)

Peroxide is great at killing. It will kill bacteria, mold, and fungus.

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OfflineRogerRabbitM
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Re: Questions on the use of Hydrogen Peroxide... [Re: Carl Sagan]
    #14708668 - 07/02/11 09:35 PM (12 years, 10 months ago)

Quote:

Carl Sagan said:
H2O2 is great. Use it at full strength. It comes pre diluted. If you want a super disinfectant
spray the surface with vinegar, then H2O2, but don't mix the two in the same bottle.




It's important to remember that not everyone is in the US where peroxide is sold in brown bottles at 3%.  It's much stronger in some countries.

As for the salad thing, it's a mistake to assume that killing every organism on food is a good thing.  We want to get rid of e coli and like, but not everything.  We don't live in a sterile world.  I doubt that peroxide and vinegar would get rid of pesticide residue, but washing does, and I know that running water will remove e coli and salmonella bacteria from food.  As for killing 100,000 organisms, bear in mind we have more bacteria cells in our bodies than human cells.

To the OP, use peroxide to control cobweb mold, but it has little other benefit.  Some use it as a surface disinfectant, but for sterile work, I prefer to wash my glass table top and surgical gloves with alcohol and/or Lysol.  Never spray peroxide on mycelium without a darn good reason.  It shocks the mycelium, setting it back and leaving an opening for competitors.
RR


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Offlinetheallseeingeye
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Re: Questions on the use of Hydrogen Peroxide... [Re: RogerRabbit]
    #14708751 - 07/02/11 10:02 PM (12 years, 10 months ago)

So basically if your process has not resulted in any contaminants there is no need to use H202... but per-say you saw contaminants on your third flush and instead of throwing away everything you could try this method as a rescue attempt...

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OfflineSea_Goat
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Registered: 06/25/11
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Re: Questions on the use of Hydrogen Peroxide... [Re: theallseeingeye]
    #14708782 - 07/02/11 10:12 PM (12 years, 10 months ago)

Quote:

theallseeingeye said:
So basically if your process has not resulted in any contaminants there is no need to use H202... but per-say you saw contaminants on your third flush and instead of throwing away everything you could try this method as a rescue attempt...



Yes, but only with cobweb mold.

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Offlinetheallseeingeye
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Re: Questions on the use of Hydrogen Peroxide... [Re: Sea_Goat]
    #14708898 - 07/02/11 10:42 PM (12 years, 10 months ago)

Alright, well thank you all for the info!

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OfflineJerome09
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Re: Questions on the use of Hydrogen Peroxide... [Re: theallseeingeye]
    #21358845 - 03/03/15 11:07 PM (9 years, 2 months ago)

Does anyone know anything about this........http://www.mycomasters.com/Advantages-FAQs.html
or any opinions on this technique detailed on that webpage?
It is a technique of growing mushrooms with an unsterilized or even an heated substrate because it uses wood pellets as the substrate, and adds hydrogen peroxide.  The wood pellets do not contain the enzyme that most other substrates contain that breaks down the hydrogen peroxide..


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OfflinePussyFart
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Re: Questions on the use of Hydrogen Peroxide... [Re: Jerome09]
    #21358867 - 03/03/15 11:14 PM (9 years, 2 months ago)

Quote:

Jerome09 said:
Does anyone know anything about this........http://www.mycomasters.com/Advantages-FAQs.html
or any opinions on this technique detailed on that webpage?



My opinion......get a PC just to be safe.....or start experimenting.....

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