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Adam Blundell 
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Joined: June 24 2002
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 Topic: 20K XM users
Posted: April 05 2004 at 8:36am |
Okay for you 20K XM users out there (Shane, Eric, Carl, Ryan,....) my understanding is that none of you are adding actinics with that. In fact you tell me it would be way too blue if you did. So do any of you have a morning/evening lighting set up? Or do you just run your halide for like 14 hours a day?
Typically, my actinics are on alone for the first and last 2 hours per day.
Just wonderin'
Adam
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Carl
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Posted: April 05 2004 at 9:02am |
I let the sunlight do my morning light, I don't turn my halides on until noon. At night, it's just, "LIGHTS OUT, LOCK 'EM DOWN'. Then I do a bed check and that's it.
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"I believe that forgiving them is God's function. Our job is simply to arrange the meeting." - Gen. H. Norman Schwarzkopf
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Aquarium Creations
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Joined: August 20 2003
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Posted: April 05 2004 at 10:22am |
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mine turn on at 12:00 and off at 10:00 and yes i have my blinds open for some light how does it look?????
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Aquarium Maintenance,Consulting,Custom Built Glass Aquariums Rimless/Euro,24Hr Emergency Service 8015485201 Www.UtahAquariumDoctors.com [email protected]
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Adam Blundell
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Posted: April 05 2004 at 3:28pm |
Okay one more question. Do you guys have a piece of glass or acrylic between your bulb and the water? Do you worry about water splashing on the bulb?
Please share ideas.
Adam
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Carl
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Posted: April 05 2004 at 3:56pm |
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Nope and Nope.
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In Syracuse
"I believe that forgiving them is God's function. Our job is simply to arrange the meeting." - Gen. H. Norman Schwarzkopf
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ssilcox
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Posted: April 05 2004 at 5:45pm |
I run Ushio 20k ... they come on at 10 and go off at 8, no actinics. I am running HQI so I run a 1/8" piece of tempered glass to shield the UV.
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jbruse
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Posted: April 05 2004 at 7:26pm |
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I also run the 20k XM's one on at 8am off at 10pm and the other on at 9am off at 11. No glass or acrylic and no I am not to worried about them getting splashed on.
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jfinch
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Posted: April 05 2004 at 8:04pm |
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Adam, how close to the water are you planning to place the bulb? If you're only a couple inches then I would put it behind glass, but if you're more then a couple I'd leave the glass out, jmo.
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tileman
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Posted: April 05 2004 at 8:09pm |
I think I would be worried about water, and with the HQI bulbs dont you think you should have some kind of UV shield on it?
I,ve had 2 96 w pc bulbs break because of just the mist from my tank and at 40 bucks a pop that hurts
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Adam Blundell
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Posted: April 05 2004 at 8:37pm |
My bulb is probably 4 inches above the water. I've seen how much salt builds up on my compacts, and that was why I was asking. However, I also thought about the bulb shattering and then thought... "why not put a piece of glass there, nothing to lose". So still trying to get a better feel.
Adam
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ssilcox
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Posted: April 05 2004 at 8:42pm |
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If you look at the tests done by Sanjay on the amount of light that gets blocked/reflected off just by adding glass it is actually alot more than you would think. If I didnt have to have the glass I probably wouldnt.
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Carl
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Posted: April 05 2004 at 9:10pm |
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A little occassional cleaning O' the bulbs will get rid of the spray ans subsequent salt spackle. The way I figure, for the shatter thing to really happen it needs to be a grand and rapid cooling of the bulb. My bulbs are about 4 inches above the water. They get splashed, burn hair, etc. Nothing yet and I don't see it as a concern unless something REALLY goes wrong.
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In Syracuse
"I believe that forgiving them is God's function. Our job is simply to arrange the meeting." - Gen. H. Norman Schwarzkopf
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Adam Blundell
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Posted: April 05 2004 at 9:19pm |
Thanks everyone. Just the type of stuff I was looking for. One more twist...
I do have an HQI bulb, which Silcox sees as needing UV filtering. Anyone else have ideas on that?
Adam
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ssilcox
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Posted: April 05 2004 at 9:37pm |
I did ALOT of research on that topic. Some HQI/DE bulbs will actually have UV shielding built in, but most dont. They let out UV A, B, and even C. What did it for me was realizing that my MH bulb was putting out the same UV light I was using in my UV sterilizer to kill things.
Check out this link. It is backed up with numbers on how much UV glass blocks as well as the wavelengths, and even how much UV is given off by a 250w hqi bulb.
http://www.reefland.com/forum/showthread.php?t=6294&page =4
-Shane
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jfinch
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Posted: April 05 2004 at 9:41pm |
Yup, I say you'd be a bit crazy to operate an HQI bulb without proper UV protection (even if you don't care about your fish/coral consider your own rods and cones). You need to be looking for some glass  .
Edited by jfinch
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