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 Is UV light harmful to Scorpions?

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ManicDan
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PostSubject: Re: Is UV light harmful to Scorpions?   5/22/2008, 10:11 pm

Crisis Averted!
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spikexspiegel
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PostSubject: Re: Is UV light harmful to Scorpions?   5/22/2008, 10:22 pm

Yeah i am quite glad to have settled this. But i feel like an idiot for listening to that service rep.
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Mr. Mordax
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PostSubject: Re: Is UV light harmful to Scorpions?   5/22/2008, 11:05 pm

Don't worry about it. We've all been suckered in by folks who think they know what they're talking about at one point or another. Smile

If I hadn't done my research before getting my first emps I probably would have believed the public consensus and put them on sand. Rolling Eyes Same sort of thing.

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JMB
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PostSubject: Re: Is UV light harmful to Scorpions?   6/5/2008, 9:58 am

Thaedion wrote:
I've seen this Question a hundred times and without in depth research I would conclude that UV is harmful, for the simple fact that UV is damaging to humans.

I concur with you completely. Again, the smaller the wavelength, the higher the frequency, the more energy imparted (standing within a couple feet a 1Mhz transmitter antenna running at 15 watts? Fine; try the same near a 10.525 Ghz transmitter, and let me know how your eyes feel afterwards -- the proteins there are usually the first to denature, or so I'm told -- and the same holds true for light: 35 Watts of an 808nm IR laser, while nothing to scoff at, can't compete with the same wattage of a UV CO2 steel-cutting laser, everything else being equal, the latter packs more punch Smile

But I digress: while I don't think I documented this on my site (but I will), a few years back (circa 2002-2004) I did an experiment on an (otherwise) healthy offshoot colony of AZ Bark Scorps where I left them exposed to "Standard" blacklighting (don't recall the precise lumens/foot-candles/saturation, but with a stunning lack of scientific precision, I'll simply add it was two (2) 18W fl. blacklight bulbs -- not High Intensity ones, just regular store-bought ones, but brand new) which I left on 24/7 atop a 5.5g enclosure. While they weren't near direct sunlight (of course), their "regular" day/night lighting cycle was present, and all other conditions (temps/rH/feeding/etcetera) were kept equal with all the other colonies.

At the end of the period, they ALL had VERY pronounced melanization/blackening on the cuticle, but *only* around the joints (and not any on the integument on either side, which *I* thought would have been most pervious to it); again, the blackening wasn't in the joints themselves, just on the cuticle. Of course, the integument-area may have been/probably did sustain UV damage, just nothing grossly visible.

Fast-forward a year, and most of them were prematurely dead (I've seen enough Barks die from old age, and know what it looks like...And perishing from intraspecific cannibalism is, well, kinda obvious; neither was the case). Within another 1.5 years (total time from start: 2.5 years), all of those from the original exposure period were dead (although their offspring, who were NOT exposed 24/7 to even that weak UV/Blacklighting showed no ill-effects, and were eventually, a year or so further down the road, re-integrated into another colony setup I had at the time, after I saw no evidence of degraded health in them).

In brief, this isn't to scare people away from "showing off" their scorps with blacklights and the like -- far from it (nothing cooler than sitting in one's study w/everything off but some blacklighting while being surrounded by a few thousand scorpions -- ideally all of them safely enclosed Very Happy ) -- just note that prolonged exposure isn't a good idea, or at least not recommended. IOW, a few hours of weak UV is probably not enough to do them much harm (hey, they're *your* cataracts -- ehr, I mean, eyes), but don't leave 'em on all night long, I guess.

HTH,


~JMB
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electrophyste
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PostSubject: Re: Is UV light harmful to Scorpions?   7/2/2008, 10:58 am

from what ive read UVB and UVA Cannot travel through glass in great amounts so if your really worried about UVA and UVB the just through a piece of glass under your black light when yuo take those pictures!
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Mr. Mordax
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PostSubject: Re: Is UV light harmful to Scorpions?   7/2/2008, 8:59 pm

I'm surprised no one (not even myself, aspiring engineer that I am) thought to point this out -- glass is opaque to UV. So, unless your tank is made of fused quartz, you should be OK shining the light through the tank.

Good point, Electrophyste.

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~Abyss~
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PostSubject: Re: Is UV light harmful to Scorpions?   7/2/2008, 9:01 pm

Scorpion will still glow...
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electrophyste
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PostSubject: Re: Is UV light harmful to Scorpions?   7/13/2008, 9:47 am

yay im smart Laughing

mabee i shouldnt push it Laughing
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scorpling~
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PostSubject: Re: Is UV light harmful to Scorpions?   1/9/2009, 3:15 am

Free Image Hosting at <a href=www.ImageShack.us" />

QuickPost

1) side view of d shed
2) inside d shed
3) dc choke

i have no clue how to calculate the output of my custom made light, but here is some details
bulb = 6in / 4 W
dc choke = 20 W
batt = 6V
reflectivity = 30-50%
height from ground= 16" - 12"

i just hope mine wouldnt harm my scorp!
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PostSubject: Re: Is UV light harmful to Scorpions?   1/9/2009, 12:12 pm

Try with BBCode instead of HTML.

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scorpling~
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PostSubject: Re: Is UV light harmful to Scorpions?   1/12/2009, 12:04 am

this is it again..

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Mr. Mordax
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PostSubject: Re: Is UV light harmful to Scorpions?   1/12/2009, 12:06 am

It looks like a regular blacklight tube, so probably emits UV in the "safe" range -- just don't overdo it.

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scorpling~
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PostSubject: Re: Is UV light harmful to Scorpions?   1/12/2009, 1:48 am

thanks..
i prolly have it on 3 minutes tops.. she only impress a certain amt of time then back to hiding again!!
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