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Offlinewhite_rabbit
alice in wonderland
Registered: 12/17/02
Posts: 188
Last seen: 12 years, 11 months
have a question to ask
    #2027170 - 10/21/03 12:28 AM (13 years, 1 month ago)

i was reading thru outdoor growing posts and remembered seeing some one saying " 1 reason stuff don't get contamed out side is cause uv light kills bacteria.
so i was thinking what if i put 2 or 3 33 watt uv bulbs up high in my grow room the 33watt bulbs come with ballast and all and it says it covers a room size around 14 ft by 9 ft
i think I'm gunna try it out i ordered the bulb today has any one had any ideas about this or is this a untouched subject.
could this actually clear up small cases of contam on casings and stuff?


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OfflinePaid
Pict
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Registered: 03/13/03
Posts: 5,376
Loc: Zone ate
Last seen: 12 years, 9 months
Re: have a question to ask [Re: white_rabbit]
    #2027385 - 10/21/03 01:45 AM (13 years, 1 month ago)

UV light is harmfull to most things, it could
be used to sterilise substrate, but I wouldnt use
it in a grow room myself, It could damage your
mycelium too. But I'm not 100% certain about this.

Some hospitol glove boxes use it, but there dangerous to
work infront of for long.


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OfflineAmazonMatt
Mushie muncher

Registered: 07/27/03
Posts: 58
Last seen: 4 years, 8 months
Re: have a question to ask [Re: Paid]
    #2027391 - 10/21/03 01:47 AM (13 years, 1 month ago)

I have heard that U.V. light helps to kill the MAGIC!


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InvisibleZildjian
human

Registered: 09/11/02
Posts: 208
Loc: new zealand
Re: have a question to ask [Re: AmazonMatt]
    #2028006 - 10/21/03 08:57 AM (13 years, 1 month ago)

I'm not sure if the UV you get out of a standard blacklight is the same as the UV used in industrial gloveboxes. I think there is a UVA and a UVE, one which burns things and kills stuff and another which doesn't.

You should search google.

I've heard that standard blacklight makes fruiting mushrooms mutate something fearsome, though I've never tried it myself.


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Offlinewhite_rabbit
alice in wonderland
Registered: 12/17/02
Posts: 188
Last seen: 12 years, 11 months
Re: have a question to ask [Re: Zildjian]
    #2028024 - 10/21/03 09:29 AM (13 years, 1 month ago)

na this isnt a black light its a plain uv light the bulb looks clear with 2 prongs at each end


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Offlinescreaminsemen
enthusiast

Registered: 07/28/03
Posts: 308
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Re: have a question to ask [Re: white_rabbit]
    #2028102 - 10/21/03 10:12 AM (13 years, 1 month ago)

I used a bio light like that. Works good if mounted in clean room. I mounted one inside my flowbox. You dont want to look into one of them, very bad. Burnt retna's and all. But a black light is deffinately not good.


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OfflinePooPs
What's thisfor???

Registered: 03/05/03
Posts: 4,510
Loc: Stirrin up the pile!
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Re: have a question to ask [Re: screaminsemen]
    #2032007 - 10/22/03 12:19 PM (13 years, 1 month ago)

ever consider ozone? ( clean room )


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Sniff, Sniff... What's that smell???... ohhhhh.!!
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Pot Free for another : nevermind.. never made it..


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Offlinewhite_rabbit
alice in wonderland
Registered: 12/17/02
Posts: 188
Last seen: 12 years, 11 months
Re: have a question to ask [Re: PooPs]
    #2032259 - 10/22/03 01:56 PM (13 years, 1 month ago)

never heard of ozone post a link to where i would get it please


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Offlinewalk
ignorantwhiteman

Registered: 06/22/03
Posts: 123
Loc: Dunedin, New Zealand
Last seen: 9 years, 6 months
Re: have a question to ask [Re: white_rabbit]
    #2032958 - 10/22/03 05:31 PM (13 years, 1 month ago)

weed growers use ozone for stopping the stink. I dont think ozone generators are cheap.
Does O3 kill bacteria/spores? how?


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InvisibleCow Shit Collector
Patty Poacher

Registered: 02/15/01
Posts: 1,959
Loc: Random Field
Re: have a question to ask [Re: walk]
    #2034409 - 10/23/03 12:40 AM (13 years, 1 month ago)

http://www.epa.gov/iaq/pubs/ozonegen.html

Heres some helpful information on ozone.

UV-A and UV-B are 'safe' UV light sources, these are the normal kinds.

Then you get into germicidal lights, these are UV-C.  The UV-C lighting emmited from the sun is shielded partially by our good friend Ozone.  We may be counteracting each other with this experiment.

I wouldn't use such a strong UV-C light for a growroom it would very likely kill the mycelium on the surface.  Then again, the type of bulb you wanted to use wasn't really specified either.  Either way, I don't believe it would help much, but I would like to be prooven otherwise :smile:

My suggestion for a clean grow area is a HEPA unit.  If you use a closet, you can get a smaller unit and keep that running.  It will decrease contamination rates alot.

Hope it helped


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_______________________________________
CSC


Life's a garden, Dig it!
~Joe Dirt

Off Topic Website


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OfflinePooPs
What's thisfor???

Registered: 03/05/03
Posts: 4,510
Loc: Stirrin up the pile!
Last seen: 7 years, 7 months
Re: have a question to ask [Re: Cow Shit Collector]
    #2035722 - 10/23/03 12:16 PM (13 years, 1 month ago)

Ozone generators can be baught at hydroponic stores or online.. pretty costly.. ie: 200 $ or so...

but you can make your own with a neon sign transformer if you have one!! look it up on overgrow or erowid. pretty cool.

In very high concentrations it might not be good for casings.. but in small amounts it's great for cleaning airborne bacteria !


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-----------
Sniff, Sniff... What's that smell???... ohhhhh.!!
------------------


Pot Free for another : nevermind.. never made it..


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Invisible@cro
new name
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Registered: 12/07/02
Posts: 1,224
Loc: The PNW
Re: have a question to ask [Re: PooPs]
    #2035859 - 10/23/03 01:07 PM (13 years, 1 month ago)

Someone made their own here not too long ago:
ozone generator


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Invisiblemycofile
Pooh-Bah
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Registered: 01/19/99
Posts: 2,336
Loc: Uranus
Trusted Cultivator
Re: have a question to ask [Re: @cro]
    #2035967 - 10/23/03 01:36 PM (13 years, 1 month ago)

The EPA, in light of recent studies, is in the process of coming down even more harshly on ozone. Recent studies have indicated that even low levels, once thought to be safe, are harmful. Espcecially around people with respiratory complications (asthma, allergies etc) and all children and elderly. I think they are in the process of drastically reducing their "safe" threshold.

That being said, yes you can make your own, and yes some people swear by it. Strongly consider the fact that most manufactured ozone generators, and all homemade ones, are incapable of automatic shut-off, or even closely regulating the ozone layer. It's up to the user to shell out lots of money to measure and regulate ozone levels, or take a lottery shot that they don't get too much.

On the subject of UV:

Several respected mycologists have indeed speculated that UV light outdoors leads to lower alkaloid levels.

"safe" UV is sufficient to induce mutations, just ask anybody that bought a mutated syringe from pf before he figured out that it was the black lights in his growroom causing the mutations. Definite proof of the mutating effects of the lights are the albino substrains that started being thrown off of his PF classic stock. Keep in mind that his master strain was probably one of the most stable and domesticated strains in the history of cubensis cultivation. Then all of a sudden, it starts throwing off substrains, some of which were simply poor performers, some were sterile, and some were even albino. The only way that can happen is through mutation, and the only vector of mutagenesis that was added to his set-up at that time was the black lights.

Now, the real question, why are there fewer contams outdoors? Is it UV? Probably to some extent. Is it constant airflow? Probably to some extent. Well, what exactly is it? I think it's a basic tenent of the natural world, best elucidated through ecology. The natural world, and all of it's components, exist in a balance. This balance doesn't exist inside, or in the labrotory. When we eliminate all things found in nature (from environmental factors, to a plethora of organisms) we make it easier for one or a few species to thrive more than they would in nature. Sometime it isn't the desired species that reaps this benefit though, and that's why we get such bad contamination inside. When it's good, it's great, but when we allow an undesirable organism in, regardless of what we want, we have set up the same advantages for it over it's natural environment as we did for the desired organism.


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"From a certain point of view"
-Jedi Master Obi Wan Kenobi

PM me with any cultivation questions.

I just looked at my profile and realized I had a website at one point in time on geocities, it's not there anymore and I have no idea what I had on it. Anybody remember my website from several years aga? PM if so please.


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InvisibleOldSpice
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Registered: 08/25/03
Posts: 59,080
Loc: Crankytown, Texas
Post deleted by Administrator [Re: Cow Shit Collector]
    #2041034 - 10/24/03 11:19 PM (13 years, 1 month ago)



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So hard to be ....WDWGFH?
Texas is humongus compared to France
Our Gair, who art in Texas,
Paw Paw be thy Name....
My friends are thirsty


You never see a motorcycle parked outside a Psychiatrist office:biker:


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Invisiblemicro
bunbun has a gungun
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Registered: 05/09/03
Posts: 7,532
Loc: Brick City Flag
Re: have a question to ask [Re: OldSpice]
    #2041084 - 10/25/03 12:05 AM (13 years, 1 month ago)

Wait -- let me get this straight -- you're talking about making ozone? O3?!?!

I can tell you, at least, ozone is an oxidizer and can cause cancer. 03 would be an oxidizer (hence hydrocarbons being oxidized by the O3 breaking down the ozone layer.) Oxidizers cause oxidative mutations, hence the existance of antioxidants. Just my take.

--
Micro


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Any research paper or book for free
(Avatar is Maxxy, a character by Mizzyam, RIP)


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Invisiblemicro
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Registered: 05/09/03
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Re: have a question to ask [Re: Paid]
    #2041086 - 10/25/03 12:07 AM (13 years, 1 month ago)

Quote:

Paid said:
UV light is harmfull to most things, it could
be used to sterilise substrate




No it can't.

--
Micro


--------------------
Any research paper or book for free
(Avatar is Maxxy, a character by Mizzyam, RIP)


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Offlinewalk
ignorantwhiteman

Registered: 06/22/03
Posts: 123
Loc: Dunedin, New Zealand
Last seen: 9 years, 6 months
Re: have a question to ask [Re: micro]
    #2042406 - 10/25/03 06:10 PM (13 years, 1 month ago)

Alounacara, what do you mean "A Ozone generator does the same thing and is used in the bigger salt water setups"
Ug, me no get.


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InvisibleCow Shit Collector
Patty Poacher

Registered: 02/15/01
Posts: 1,959
Loc: Random Field
Re: have a question to ask [Re: walk]
    #2042560 - 10/25/03 07:27 PM (13 years, 1 month ago)

Never heard of a aquarium using Ozone, but some water filters do use UV lighting to kill alge and bacteria.


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_______________________________________
CSC


Life's a garden, Dig it!
~Joe Dirt

Off Topic Website


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OfflineFlux
Symmetry Breaker
Registered: 06/04/03
Posts: 309
Loc: The Shroomery... retard
Last seen: 11 years, 1 month
Re: have a question to ask [Re: Cow Shit Collector]
    #2042984 - 10/25/03 11:02 PM (13 years, 1 month ago)

Thank you Micro, UV-C light is a poor antimicrobial agent for even moderately small areas of space. EM waves in that spectrum do not penetrate cells that well and when they do they are a non-selective sterilizer, they induce thymine dimer formation which negates polypeptide/protein transcription. Those water filters using UV lights do so because the substrate they are penetrating is thin other then that, they not very useful. vagina  :crazy2: mm mm better 


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What'd I tell you about looking at my signature bitch!


Edited by Flux (10/25/03 11:07 PM)


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