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OfflineDreamtime
psy brew


Registered: 07/14/08
Posts: 265
Last seen: 8 years, 3 months
h202 hydrogen peroxide quick questions
    #12546992 - 05/12/10 06:09 AM (12 years, 2 months ago)

what grade is usually recommended?

and where would you usually obtain it?

dose it kill shroom spores in direct contact?

cheers


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Invisibleandymc
cocoa beetles from zanzibar
Male User Gallery


Registered: 11/25/09
Posts: 2,395
Re: h202 hydrogen peroxide quick questions [Re: Dreamtime]
    #12547004 - 05/12/10 06:19 AM (12 years, 2 months ago)

Quote:

san rainbow said:
what grade is usually recommended?

and where would you usually obtain it?

dose it kill shroom spores in direct contact?

cheers




3% is what I've seen recommended.  I buy 6% and dilute.

I ask for it at the pharmacy.  They keep it behind the counter because it can be used to make bombs.  Tell 'em it's for your first aid kit.  Or tell 'em it's for growing mushrooms I guess. :shrug:

Allegedly, yes, it kills spores.  I've seen RR say something along the lines of H2O2 "has no valid uses in mycology" (except for killing cobweb, I guess) so you might want to save yourself the trouble.  I give agar wedges a brief dip in H2O2 when I'm transferring them.  It doesn't noticeably hurt them though I haven't done any empirical tests.


--------------------
How I make spore prints
Trade List
My flow hood

If he asks me "Did you have a good time?" I'll say,
"Get the lights, Mr. Grim Reaper"  -odds


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InvisibleKhaos


Registered: 03/08/10
Posts: 183
Re: h202 hydrogen peroxide quick questions [Re: Dreamtime]
    #12547006 - 05/12/10 06:20 AM (12 years, 2 months ago)

Approx. 3% H2O2.
Any pharmacy or retailer should carry it near the medical supplies usually in a dark round bottle near the rubbing alcohol.
Yes, if not completely it will damage them almost to the point of being nonviable.
Generally if it isn't for cobweb its not worth using.


--------------------
"Surely all Americans have the right to give their money only to those causes which they support. But what kind of society has this created? A society where the ignorant reign. A society where enlightened must hold their tongues. A nation whose politicians must profess half-hearted devotion to an ancient fable or face the disastrous consequences of speaking their true mind." -Chris Mccandless 1987


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InvisibleKhaos


Registered: 03/08/10
Posts: 183
Re: h202 hydrogen peroxide quick questions [Re: andymc]
    #12547016 - 05/12/10 06:27 AM (12 years, 2 months ago)

Quote:

andymc said:
I ask for it at the pharmacy.  They keep it behind the counter because it can be used to make bombs.  Tell 'em it's for your first aid kit.  Or tell 'em it's for growing mushrooms I guess. :shrug:




Really what country do you live in?
I live in probably the most paranoid ban happy state in the US and I can walk up grab 10 gallons off the shelf and walk out with it without being questioned, hell potasium nitrate is even pretty easy to come by if you know where to look.
But H2O2? I know its somewhat reactive but unless its being concentrated i don't imagine it making anything spectacular. :lol:


--------------------
"Surely all Americans have the right to give their money only to those causes which they support. But what kind of society has this created? A society where the ignorant reign. A society where enlightened must hold their tongues. A nation whose politicians must profess half-hearted devotion to an ancient fable or face the disastrous consequences of speaking their true mind." -Chris Mccandless 1987


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Invisibleandymc
cocoa beetles from zanzibar
Male User Gallery


Registered: 11/25/09
Posts: 2,395
Re: h202 hydrogen peroxide quick questions [Re: Khaos]
    #12547021 - 05/12/10 06:33 AM (12 years, 2 months ago)

I'm in the UK.

I believe it's a main ingredient in fertilizer bombs (or maybe liquid ones).  I'm not sure which exactly.  I'd go do a google search for bomb-making instructions to double-check, but I have a feeling that would be a bad move :grin:


--------------------
How I make spore prints
Trade List
My flow hood

If he asks me "Did you have a good time?" I'll say,
"Get the lights, Mr. Grim Reaper"  -odds


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Invisiblemyco.alchemist
been there ~ done that

Registered: 03/27/10
Posts: 705
Loc: Flag
Trusted Cultivator
Re: h202 hydrogen peroxide quick questions [Re: andymc]
    #12547027 - 05/12/10 06:38 AM (12 years, 2 months ago)

Should be right next to rubbing alc in any drug store in UK.


--------------------
CASING = GETTING IT RIGHT


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Invisibleandymc
cocoa beetles from zanzibar
Male User Gallery


Registered: 11/25/09
Posts: 2,395
Re: h202 hydrogen peroxide quick questions [Re: Khaos]
    #12547030 - 05/12/10 06:38 AM (12 years, 2 months ago)

Ah, here we go.  According to Wikipedia:
Quote:

Hydrogen peroxide was said to be one of the ingredients in the bombs that failed to explode in the 21 July 2005 London bombings.[46]




--------------------
How I make spore prints
Trade List
My flow hood

If he asks me "Did you have a good time?" I'll say,
"Get the lights, Mr. Grim Reaper"  -odds


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Invisibleandymc
cocoa beetles from zanzibar
Male User Gallery


Registered: 11/25/09
Posts: 2,395
Re: h202 hydrogen peroxide quick questions [Re: myco.alchemist]
    #12547040 - 05/12/10 06:45 AM (12 years, 2 months ago)

Quote:

myco.alchemist said:
Should be right next to rubbing alc in any drug store in UK.




Myco, no offence intended, but there's a sticky about finding supplies in the UK, because for whatever reason, things that you'd find in "any drug store" or "any hardware store" in the US (I'm just assuming you're in the US) can be very difficult to find here.  Not sure why.

Rubbing alcohol is something I've never seen on a shelf here, and I've looked around.


--------------------
How I make spore prints
Trade List
My flow hood

If he asks me "Did you have a good time?" I'll say,
"Get the lights, Mr. Grim Reaper"  -odds


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Invisiblemyco.alchemist
been there ~ done that

Registered: 03/27/10
Posts: 705
Loc: Flag
Trusted Cultivator
Re: h202 hydrogen peroxide quick questions [Re: andymc]
    #12547045 - 05/12/10 06:47 AM (12 years, 2 months ago)

3% is a common antimicrobial topical application worldwide.


--------------------
CASING = GETTING IT RIGHT


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Offlinejingus

Registered: 05/04/09
Posts: 1,669
Loc: Oregon, U.S. Flag
Last seen: 9 years, 6 months
Re: h202 hydrogen peroxide quick questions [Re: andymc]
    #12547046 - 05/12/10 06:47 AM (12 years, 2 months ago)

you can get it at the dollar store, here...


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OfflinePsil
Stranger

Registered: 10/20/09
Posts: 132
Last seen: 10 years, 1 day
Re: h202 hydrogen peroxide quick questions [Re: myco.alchemist]
    #12547054 - 05/12/10 06:57 AM (12 years, 2 months ago)

I get mine from Superdrug for 97p a bottle of 6% solution, just go up to the pharmacy counter and ask for it. They have never asked me about what it's for except for that time I tried to buy it with a pack of codeine and paracetamol pills.

Quote:

andymc said:They keep it behind the counter because it can be used to make bombs.



They keep it behind the counter, normally in a draw or cupboard to minimise the amount of light the bottles are exposed to.  Also remember in "Modern Britain" you aren't a terrorist unless you are Muslim.


Edited by Psil (05/12/10 07:03 AM)


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InvisibleKhaos


Registered: 03/08/10
Posts: 183
Re: h202 hydrogen peroxide quick questions [Re: andymc]
    #12547056 - 05/12/10 06:58 AM (12 years, 2 months ago)

Yep what you mentioned about the London bombings is probably the cause behind it then. H202 in HIGH concentrations can be uses as a monopropelant for rockets or a oxidizer when used properly in conjunction with a fuel source. Interesting.


--------------------
"Surely all Americans have the right to give their money only to those causes which they support. But what kind of society has this created? A society where the ignorant reign. A society where enlightened must hold their tongues. A nation whose politicians must profess half-hearted devotion to an ancient fable or face the disastrous consequences of speaking their true mind." -Chris Mccandless 1987


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Invisiblemyco.alchemist
been there ~ done that

Registered: 03/27/10
Posts: 705
Loc: Flag
Trusted Cultivator
Re: h202 hydrogen peroxide quick questions [Re: Khaos]
    #12547066 - 05/12/10 07:07 AM (12 years, 2 months ago)

If anyone asks, tell them you have an infected big toe nail.
Or, a boil on your ass.
They will not want to see it, I assure you.


--------------------
CASING = GETTING IT RIGHT


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OfflineDreamtime
psy brew


Registered: 07/14/08
Posts: 265
Last seen: 8 years, 3 months
Re: h202 hydrogen peroxide quick questions [Re: Khaos]
    #12547070 - 05/12/10 07:12 AM (12 years, 2 months ago)

hey, cheers for replies!

I live in oz (Australia) probably they most paranoid country in the world, I am surprised we can still use the net, LOL  :grin:

I will have a look in my local chemist store, just need to know what I am asking it for :wink:

vibes


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OfflineNanoid
See lost a seat You bend this
Male

Registered: 03/30/10
Posts: 711
Last seen: 12 years, 15 days
Re: h202 hydrogen peroxide quick questions [Re: andymc]
    #12547078 - 05/12/10 07:16 AM (12 years, 2 months ago)

Quote:

andymc said:
Quote:

myco.alchemist said:
Should be right next to rubbing alc in any drug store in UK.




Myco, no offence intended, but there's a sticky about finding supplies in the UK, because for whatever reason, things that you'd find in "any drug store" or "any hardware store" in the US (I'm just assuming you're in the US) can be very difficult to find here.  Not sure why.

Rubbing alcohol is something I've never seen on a shelf here, and I've looked around.




Well, the UK and probably most if not all of Europe is heavily regulated and controlled, much more so than the US.  Gotta love that socialist idealism in Europe.  Pretty soon everybody will be forced to buy only certain products from a certain company and only allotted a certain amount of times a year to buy it.

The fact that Europe bans such simple items that can be easily found anywhere in the US is just another way to control the people.  Be thankful you still have a choice in what you can buy and where you can buy it, because it won't last long.  Hell the way our commie president is running things now we might lose those freedoms sooner than you guys.  Which would be a first in world history, since the US usually trails Europe by about 10 years in politics, laws and regulations.

As far as the OP question goes, I use 3%.  I use the stuff for a ton of things in mycology, since it is as good a sanitizer as alcohol, yet it also kills/mutates molds and bacterias.  It's pretty much the perfect cleaner solution for mycology.  Because not only does it kill practically everything, but once it is spent it turns into harmless h2o.  So no nasty by products.  Probably would be great for sterilizing syringes without boiling/PCing them. Just suck up some h202, let it sit, plunge out, and now you have a clean syringe. 

I have actually been successfully using it as a water substitute in my BRF jars.  So instead of mixing water with verm and BRF, I mix h2o2, then let it sit for a few hours.  Then once I sterilize it, the heat breaks down the h202 and just leaves h20, ready for inoculation.  Can't get any more sterile that that. :thumbup:


--------------------


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Invisibleandymc
cocoa beetles from zanzibar
Male User Gallery


Registered: 11/25/09
Posts: 2,395
Re: h202 hydrogen peroxide quick questions [Re: Nanoid]
    #12547090 - 05/12/10 07:23 AM (12 years, 2 months ago)

Quote:

Nanoid said:
Well, the UK and probably most if not all of Europe is heavily regulated and controlled, much more so than the US.  Gotta love that socialist idealism in Europe.  Pretty soon everybody will be forced to buy only certain products from a certain company and only allotted a certain amount of times a year to buy it.

The fact that Europe bans such simple items that can be easily found anywhere in the US is just another way to control the people.  Be thankful you still have a choice in what you can buy and where you can buy it, because it won't last long.  Hell the way our commie president is running things now we might lose those freedoms sooner than you guys.  Which would be a first in world history, since the US usually trails Europe by about 10 years in politics, laws and regulations.




Are you going to start with the offtopic political shit again nanoid?  :facepalm:  Take it to OTD please.  Please.

It's not because stuff is banned.  I don't know where you got that from, but I imagine your fevered, paranoid political rantings were just busting to get out, so you didn't take the time to grok what anyone was saying.

For example: people in the UK don't really do canning.  So finding PF tek-style jars, Mason jars, pressure cookers, etc., is a little more difficult and/or expensive.

It's not a communist plot, guy.


--------------------
How I make spore prints
Trade List
My flow hood

If he asks me "Did you have a good time?" I'll say,
"Get the lights, Mr. Grim Reaper"  -odds


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OfflineNanoid
See lost a seat You bend this
Male

Registered: 03/30/10
Posts: 711
Last seen: 12 years, 15 days
Re: h202 hydrogen peroxide quick questions [Re: andymc]
    #12547104 - 05/12/10 07:31 AM (12 years, 2 months ago)

Well, maybe not from the lack of canning jars or H2o2, but there is definitely a communist one world government control plot in the works.  Of which Europe has always been in the lead.  But our terrorist foreign president is surly changing that...


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OfflinePsil
Stranger

Registered: 10/20/09
Posts: 132
Last seen: 10 years, 1 day
Re: h202 hydrogen peroxide quick questions [Re: Nanoid]
    #12547131 - 05/12/10 07:46 AM (12 years, 2 months ago)

Quote:

Nanoid said:
I mix h2o2, then let it sit for a few hours.  Then once I sterilize it, the heat breaks down the h202 and just leaves h20, ready for inoculation.




The LIGHT breaks it down.  This is something to keep in mind when diluting 6% to 3% as decomposition is fairly rapid.  Great idea about using it in syringes though, I will defiantly be trying that out.

Also can we clear up this nonsense about hydrogen peroxide and bombs.  It is NOT a watched chemical and sales are not monitored.  If you buy a bottle everyday for a month they might start asking questions but apart from that I promise you, they will not care.


Edited by Psil (05/12/10 07:46 AM)


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InvisibleKhaos


Registered: 03/08/10
Posts: 183
Re: h202 hydrogen peroxide quick questions [Re: andymc]
    #12547148 - 05/12/10 07:54 AM (12 years, 2 months ago)

Quote:

andymc said:
Are you going to start with the offtopic political shit again nanoid?  :facepalm:  Take it to OTD please.  Please.

It's not a communist plot, guy.




:rofl:

This is not OTD but nanoid must have never of the patriot act we have here in states.

I wish i had a nickle for every time I've heard this rant, I would be one rich a$$ motherFucker.

But lets get back to the fact this is MUSH CULT not OTD.


--------------------
"Surely all Americans have the right to give their money only to those causes which they support. But what kind of society has this created? A society where the ignorant reign. A society where enlightened must hold their tongues. A nation whose politicians must profess half-hearted devotion to an ancient fable or face the disastrous consequences of speaking their true mind." -Chris Mccandless 1987


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Invisibleandymc
cocoa beetles from zanzibar
Male User Gallery


Registered: 11/25/09
Posts: 2,395
Re: h202 hydrogen peroxide quick questions [Re: Psil]
    #12547159 - 05/12/10 07:59 AM (12 years, 2 months ago)

Quote:

Psil said:
Also can we clear up this nonsense about hydrogen peroxide and bombs.  It is NOT a watched chemical and sales are not monitored.  If you buy a bottle everyday for a month they might start asking questions but apart from that I promise you, they will not care.




In the pharmacists where I've bought it, they keep it behind the counter and you have to ask for it.  The very first time I ever bought some, the lady asked me what I wanted it for (because, she explained somewhat reluctantly, it could be used for bombs).  I told her the truth and that was that.

I don't know what a "watched chemical" is though, or whether she had to ask me that, or whether she was just trying to be a responsible vendor, or whether she was a nut, or what.  It's just my experience.

Anyway there doesn't seem much point in continuing to bash on about the shelf-stocking habits of UK pharmacies.  It's available, you can buy it.


--------------------
How I make spore prints
Trade List
My flow hood

If he asks me "Did you have a good time?" I'll say,
"Get the lights, Mr. Grim Reaper"  -odds


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