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Offlinesudont
Stranger ThanFiction

Registered: 01/19/06
Posts: 129
Loc: Chicago
Last seen: 13 years, 11 months
Peroxide in the Fruiting Chamber (& Elsewhere)
    #5397618 - 03/14/06 02:04 AM (17 years, 10 months ago)

Hi!
I've been dumping a bit of 3% H2O2 into my perlite to keep contams down, as well as into my Cool Mist. So far, so good, but I haven't been very scientific about it, just splashing it around like cologne on a Saturday night in TJ. Is it possible to use too much? I've been told that H2O2 breaks down into water and oxygen. How rapidly does this occur? And what about adding it to my mister? Myc is pretty resistant to peroxide, correct? Should I be a little more accurate here? What kind of dilutions do ya'll recommend, (if any)?


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sudon't

sudo rm -R /*


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Offlinemogur
regnartS

Registered: 11/15/05
Posts: 322
Loc: Puget Sound
Last seen: 11 years, 2 months
Re: Peroxide in the Fruiting Chamber (& Elsewhere) [Re: sudont]
    #5397774 - 03/14/06 03:57 AM (17 years, 10 months ago)

According to the Home Mushroom Cultivation with Hydrogen Peroxide by R. Rush Wayne, the lower limit of effectiveness for 3% peroxide is a teaspoon in a quart of water. The upper limit of tolerance by mycelium is about 1/4 cup of peroxide in a quart of water. I don't have experience myself with peroxide in perlite, or a mister. But I would think you could use quite a high concentration in the perlite, since it is only evaporating into the chamber. I would suggest staying well under a 1/4 cup per quart for the mister, since it is being atomized and therefore in direct contact with the growing mycelium. Experienced users would have better info than my conjectures, of course.

Peroxide breaks down rapidly in contact with complex organic molecules, therefore the fizzing when you pour it on a wound. Heat and light also degrade it fairly quickly. That's why the grocery store peroxide comes in a dark bottle and has phosphoric acid stabilizer added. But it's stable enough to last much longer in clean perlite than an entire growing cycle. The cycle time in a 'cool' mister isn't a challenge to peroxide's stability, either.


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Offlinesudont
Stranger ThanFiction

Registered: 01/19/06
Posts: 129
Loc: Chicago
Last seen: 13 years, 11 months
Re: Peroxide in the Fruiting Chamber (& Elsewhere) [Re: mogur]
    #5398969 - 03/14/06 12:20 PM (17 years, 10 months ago)

Thanks for the good info! Sounds like I've been ok (no problems, anyway), but inquiring minds want to know the facts!
BTW, have you been following Mr. Wayne's method? How has it worked for you? Could you tell us a little about it?


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sudon't

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OfflineRedHusky
Ruler ofPrimordia
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Registered: 02/23/06
Posts: 18
Last seen: 17 years, 2 months
Re: Peroxide in the Fruiting Chamber (& Elsewhere) [Re: sudont]
    #5399653 - 03/14/06 03:42 PM (17 years, 10 months ago)

Does anyone have the info on how fast peroxide decomposes? Might the peroxide help with CO2 build-up (especially if an open container or peroxide was left in the fruiting chamber)or is the amount of oxygen produced by the peroxide negligible?


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OfflineDr_Weird
Medicine Man
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Registered: 03/11/06
Posts: 75
Loc: My Laboratory
Last seen: 24 days, 20 hours
Re: Peroxide in the Fruiting Chamber (& Elsewhere) [Re: mogur]
    #5445945 - 03/27/06 12:26 AM (17 years, 10 months ago)

Thanks alot...this really helped me with my PF fruiting chamber since I knew adding h202 was good for killing off contams but I didn't know the correct proportions. Add this to the FAQ maybe?

I did all of the cookbook math and it's about 0.5% (min) to 6.25% (max) of 3% H2O2 in water, if you are correct.


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OfflineZEPH
member

Registered: 03/01/02
Posts: 1,609
Loc: Up
Last seen: 8 years, 4 months
Re: Peroxide in the Fruiting Chamber (& Elsewhere) [Re: Dr_Weird]
    #5445982 - 03/27/06 12:39 AM (17 years, 10 months ago)

id use bleach in the perlite and h202 in the colmist with botled water in the cool mist and low lvs of h202 ,imo of course


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InvisibleWIZOLZ
Poor with Needs
Male User Gallery

Registered: 03/20/06
Posts: 290
Loc: Monte Carlo
Re: Peroxide in the Fruiting Chamber (& Elsewhere) [Re: ZEPH]
    #5457908 - 03/30/06 12:43 AM (17 years, 9 months ago)

I dont know whether this is true, but hydrogen Peroxide solution also reduces algae buildup in the terrarium, if your using The PmP Hydro setup, which involves Geolite. Not entirely positive on this though, as I dont fully understand what causes algae or if its even harmfull to mycelium....eh eh??


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Requim for a Dream - Paul Oakenfold
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"The mis/abuse of any form of power, is the worst form of ignorance"
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WIZOLZ - Lover with a Killer's Smile


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InvisibleCitric
 User Gallery

Registered: 03/19/04
Posts: 4,490
Trusted Cultivator
Re: Peroxide in the Fruiting Chamber (& Elsewhere) [Re: WIZOLZ]
    #5458266 - 03/30/06 05:30 AM (17 years, 9 months ago)

I wouldnt be using bleach at all.

I always use 1/10 h2o2 in any of my water supply(Other then what I soak/simmer with of course).


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Self Healing lid tek ** Update 10.17.17 **
Mini casing pictures: Pins to harvest
Cup O' Shrooms
Magash:  I noticed my contams were in the shape of fingers :whack:
Hyphae:  Yes  "Loss of moisture from the substrate"  is not a casing trigger.  :cuckoo:

My final Grow!


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