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potgrrl
Tripper Grrl



Registered: 01/14/10
Posts: 641
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UV Light and Trich, indoors.
#12463677 - 04/27/10 05:13 AM (13 years, 9 months ago) |
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So, according to what I've read, part of the reason why Trich doesn't run wild in the wild is because of lots of FAE outside, but also because of the UV light it's exposed to from the sun.
Do some indoor growers utilize UV lamps to help keep trich at bay?
I don't seem to see it mentioned very much.
-------------------- Everything is arbitrary. (me)
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Doc_T
Random Dude




Registered: 03/06/09
Posts: 42,395
Loc: Colorado
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Re: UV Light and Trich, indoors. [Re: potgrrl]
#12463680 - 04/27/10 05:16 AM (13 years, 9 months ago) |
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UV is dangerous stuff, no way I'd use it at home.
-------------------- You make it all possible. Doesn't it feel good?
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potgrrl
Tripper Grrl



Registered: 01/14/10
Posts: 641
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Re: UV Light and Trich, indoors. [Re: Doc_T]
#12463686 - 04/27/10 05:19 AM (13 years, 9 months ago) |
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Quote:
Doc_T said: UV is dangerous stuff, no way I'd use it at home.
I guess you don't go outside, either?
Meaning, the sun is effective and relatively safe for us to be exposed to, aren't there bulbs that replicate that, without giving super uber stupid unhealthy doses that are meant to irradiate completely?
-------------------- Everything is arbitrary. (me)
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Doc_T
Random Dude




Registered: 03/06/09
Posts: 42,395
Loc: Colorado
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Re: UV Light and Trich, indoors. [Re: Doc_T]
#12463690 - 04/27/10 05:22 AM (13 years, 9 months ago) |
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Quote:
potgrrl said: I guess you don't go outside, either?
Our local rates for skin cancer and some other cancers are higher than the national average because of our elevation, it's a real risk.
I say again:
Quote:
Doc_T said: UV is dangerous stuff, no way I'd use it at home.
-------------------- You make it all possible. Doesn't it feel good?
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anonjon
Partially Right

Registered: 11/03/08
Posts: 6,322
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Re: UV Light and Trich, indoors. [Re: Doc_T]
#12463708 - 04/27/10 05:34 AM (13 years, 9 months ago) |
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Yes, those uv sterilizers are more dangerous than sunlight.
Also they are ineffective because microbes can hide behind dust particles.
-------------------- The above post is fictional, hypothetical, or downright nonsensical.
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potgrrl
Tripper Grrl



Registered: 01/14/10
Posts: 641
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Re: UV Light and Trich, indoors. [Re: anonjon]
#12463710 - 04/27/10 05:35 AM (13 years, 9 months ago) |
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I'll ask again:
Are there UV lights that are small enough to be reasonable?
Or are all the UV lights designed to be complete sanitization stuff?
What about the lights that are used in tanning beds? Surely THEY aren't "sanitization grade" and thus SOME exist...
-------------------- Everything is arbitrary. (me)
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anonjon
Partially Right

Registered: 11/03/08
Posts: 6,322
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Re: UV Light and Trich, indoors. [Re: potgrrl]
#12463720 - 04/27/10 05:41 AM (13 years, 9 months ago) |
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If the sanitation grade isn't sufficient, what makes you think something less intense would work?
Besides that, it's known to cause the mushroom dna to mutate.
It's a non-starter.
-------------------- The above post is fictional, hypothetical, or downright nonsensical.
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potgrrl
Tripper Grrl



Registered: 01/14/10
Posts: 641
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Re: UV Light and Trich, indoors. [Re: anonjon]
#12463725 - 04/27/10 05:44 AM (13 years, 9 months ago) |
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Quote:
anonjon said: If the sanitation grade isn't sufficient, what makes you think something less intense would work?
The UV light outside is not sanitation grade and it works just fine for staving off trich.
That's why.
-------------------- Everything is arbitrary. (me)
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anonjon
Partially Right

Registered: 11/03/08
Posts: 6,322
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Re: UV Light and Trich, indoors. [Re: potgrrl]
#12463735 - 04/27/10 05:49 AM (13 years, 9 months ago) |
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i think it has a lot to do with bugs and microbes tho.
-------------------- The above post is fictional, hypothetical, or downright nonsensical.
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andymc
cocoa beetles from zanzibar



Registered: 11/25/09
Posts: 2,395
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Re: UV Light and Trich, indoors. [Re: potgrrl]
#12463770 - 04/27/10 06:13 AM (13 years, 9 months ago) |
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I bought one of these:
http://www.thinkgeek.com/gadgets/lights/8f84/
I had a gift certificate for this place and picked it on a whim (the 'trip glasses' are kind of cool though!). I haven't tried to use UV on anything yet, though I have a petri with some trich that I might try zapping before opening (hopefully to extract some myc and not spread the trich).
In general, people in various threads (such as RR) seem to be advising against the use of UV for mycological purposes.
-------------------- 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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potgrrl
Tripper Grrl



Registered: 01/14/10
Posts: 641
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Re: UV Light and Trich, indoors. [Re: andymc]
#12463812 - 04/27/10 06:32 AM (13 years, 9 months ago) |
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Quote:
andymc said: I bought one of these:
http://www.thinkgeek.com/gadgets/lights/8f84/
I had a gift certificate for this place and picked it on a whim (the 'trip glasses' are kind of cool though!). I haven't tried to use UV on anything yet, though I have a petri with some trich that I might try zapping before opening (hopefully to extract some myc and not spread the trich).
In general, people in various threads (such as RR) seem to be advising against the use of UV for mycological purposes.
Yes that variety is definitely not safe to use for extended periods of time, it looks to be one of the 'sanitizer' variety.
ThinkGeek is a pretty cool site with a lot of neat toys tho!
But yet another example of oddities in the world: Here, MsNoEducationalTraining (me re: UV) you can have this device that mutates DNA, and all we have to do is tell you not to aim it at yourself!
But wait! That thing in your mouth... OMG that's not a tobacco cigarette! Emergency! Emergency! Someone call the police!
Step back, coppers, or I'll shine this on you.
PS: I did a search on UV bulbs on the forums and came up with a very very very small selection of posts. Maybe others who asked this same question didn't use a good title to catch my eye...
-------------------- Everything is arbitrary. (me)
Edited by potgrrl (04/27/10 06:35 AM)
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myco.alchemist
been there ~ done that

Registered: 03/27/10
Posts: 705
Loc:
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Re: UV Light and Trich, indoors. [Re: potgrrl]
#12463878 - 04/27/10 07:18 AM (13 years, 8 months ago) |
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UV light is good for sanitizing slow moving air & hard smooth surfaces. But, is not effective for mycology use.
There has to be direct exposure to UV light for a certain time to kill bacteria & spore contaminates.
Contams are often in something, behind something, or under something. So, they don't get directly exposed.
If otherwise, everyone involved in mycology would just wave the UV wand over everything & it would be sterilized.
Sadly, it doesn't work that way.
Can you imagine, loading a spawn bag with hydrated grain, wave the UV wand over it, seal, innoc, incubate & fruit.
Only in COMIC BOOKS
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oxalic32

Registered: 01/27/08
Posts: 3,615
Loc: .
Last seen: 12 years, 8 months
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Edited by oxalic32 (12/20/10 12:45 PM)
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Nanoid
See lost a seat You bend this


Registered: 03/30/10
Posts: 711
Last seen: 13 years, 6 months
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Re: UV Light and Trich, indoors. [Re: potgrrl]
#12463922 - 04/27/10 07:41 AM (13 years, 8 months ago) |
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Quote:
potgrrl said:
Quote:
Doc_T said: UV is dangerous stuff, no way I'd use it at home.
I guess you don't go outside, either?
Meaning, the sun is effective and relatively safe for us to be exposed to, aren't there bulbs that replicate that, without giving super uber stupid unhealthy doses that are meant to irradiate completely?
Most of the UV light that causes cancer (UV-C) is blocked by the earths ozone layer. In fact the earths ozone layer block 98.7% of this UV light from penetrating our atmosphere.
Another fun fact is that UV-C light from the sun actually builds up our ozone layer, as a low enough wavelength of UV-C produces ozone. Any UV below 254nm creates ozone. The germicidal lights we can buy are above 254nm for this very reason.
But even at the non-ozone producing wavelengths, the germicidal UV-C light can still cause cancer and mutate your DNA. It can also mess up your eyes real good.
With all that said, UV-C does a VERY good job at sterilizing, because it can kill and mutate basically any living organism as long as that organism isn't protected. And time of exposure plays a huge role as well. Using UV-C in any part of your grow will not only mutate and kill the molds and bacteria's, but it will also devastate your mycelium.
If you want to use UV-C to your benefit for growing mushrooms, really the only thing you can use it for is to pre-sterilize a room, your working area surfaces, gloveboxes and other things that don't contain living mycelium or even your mushroom spores. And when you sterilize with UV-C you do NOT want to be near it or even in the same room unless every last bit of your skin and eyes is covered and protected thoroughly. Because even the low-watt germicidal UV-C lamps will cause cancer and mess up your eyes very badly.
It's not something to toy around with, but if used properly, it will do a good job at sterilizing the air in your grow room, and sterilizing hard surfaces/utensils.
If you want to learn more, check out this wiki article. http://en.wikipedia.org/wiki/Ultraviolet_germicidal_irradiation
EDIT: Also FYI, tanning beds use UV-B. And blacklights are UV-A. They differ quite a bit from UV-C
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Edited by Nanoid (04/27/10 07:47 AM)
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Drevrens
Stranger Than You.



Registered: 10/19/09
Posts: 326
Last seen: 11 years, 16 days
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Well considering we are all in the same hobby here, dream land isn't that far off lol. If you really want to experiment with lights and stuff try getting a UV light for a reptile, the best one you can get is about 10% of the UV light from the sun but really it is only about 3%. I have an iguana and it cannot digest its food unless there is a UV light present and a certain amount of heat. There are all sorts of strange and interesting things in nature. Maybe someone else has already tried that and you are receiving warnings for a reason. "GE" use to make a UV-B light about 60 years ago called a "sunlamp" for tanning and it worked really well people had amazing tans. Then they realized that any more than about 15 minutes a day under this light increased your probability of getting skin cancer by about 90%.
If there was a sure fire way of having no contams then I would think everyone would be using it but who knows you might just find out something no one else knows. This is science after all, people find out new things every day.
-------------------- Cheers, Drevrens
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potgrrl
Tripper Grrl



Registered: 01/14/10
Posts: 641
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Re: UV Light and Trich, indoors. [Re: Drevrens]
#12463975 - 04/27/10 08:02 AM (13 years, 8 months ago) |
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Hey folks, I sincerely appreciate the responses to this thread, especially the ones that didn't take the extreme OMG view and debated despite the inherent dangers.
Just like with drug discussions and those who are truly curious and interested, those of us with questions about life and the world around us do better knowing the risks and rewards and actual experiences, than just being told "it's bad, don't do it".
Science starts with questions, does it not?
-------------------- Everything is arbitrary. (me)
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anonjon
Partially Right

Registered: 11/03/08
Posts: 6,322
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Re: UV Light and Trich, indoors. [Re: potgrrl]
#12464339 - 04/27/10 09:49 AM (13 years, 8 months ago) |
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even if it weren't dangerous, i'm still not sure its very effective. don't dust particles block the rays? here's a thread on sanitizing w/ peroxide and vinegar you might find interesting.
-------------------- The above post is fictional, hypothetical, or downright nonsensical.
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potgrrl
Tripper Grrl



Registered: 01/14/10
Posts: 641
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Re: UV Light and Trich, indoors. [Re: anonjon]
#12465087 - 04/27/10 12:12 PM (13 years, 8 months ago) |
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Quote:
anonjon said: even if it weren't dangerous, i'm still not sure its very effective. don't dust particles block the rays? here's a thread on sanitizing w/ peroxide and vinegar you might find interesting.
Hmm, interesting, but it's talking about cleaning up "bacteria".
If perhaps they also mean molds and funguses, but then they'd 1) kill the trich, and 2) kill my myc if I dipped the casing
I definitely learned a lot poking around on the Wiki, but then again who knows how valid the information is on those types of sites, so I won't bow down before it as "the word", but a good extrapolation of it from my unknowledged view.
Thank you again
-------------------- Everything is arbitrary. (me)
Edited by potgrrl (04/27/10 12:13 PM)
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Dr. Acula



Registered: 04/26/10
Posts: 67
Last seen: 13 years, 6 months
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Re: UV Light and Trich, indoors. [Re: Doc_T]
#12465250 - 04/27/10 12:43 PM (13 years, 8 months ago) |
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Quote:
Doc_T said:
Quote:
potgrrl said: I guess you don't go outside, either?
Our local rates for skin cancer and some other cancers are higher than the national average because of our elevation, it's a real risk.
I say again:
Quote:
Doc_T said: UV is dangerous stuff, no way I'd use it at home.
I have lived in florida at the beach all my life, i don't even use sun screen anymore and i am out sometimes all day with nothing on but a speedo, and i work outside every day at a nudist vacation resort LOL i just tan really dark, i never get burned, last time i can remember ever having a sun burn was when i was a small child. i think peoples genetics and family history have alot to do with it too
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RogerRabbit
Bans for Pleasure


Registered: 03/26/03
Posts: 42,214
Loc: Seattle
Last seen: 11 months, 2 days
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Re: UV Light and Trich, indoors. [Re: Dr. Acula]
#12465401 - 04/27/10 01:00 PM (13 years, 8 months ago) |
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UV light has little effect on trichoderma. I've left trich out in the direct sun with no effect, and shiitake logs exposed to direct sunlight all day have a higher incidence of trichoderma than logs grown in shade. RR
-------------------- Download Let's Grow Mushrooms semper in excretia sumus solim profundum variat "I've never had a failed experiment. I've only discovered 10,000 methods which do not work." Thomas Edison
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