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Inline UV sterilizer as a permanent solution to algae?

post #1 of 15
Thread Starter 
Many aquarium filters these days feature inline UV sterilizers. I was wondering if such a unit could be put somewhere on a watercooling loop, and solve algae/microbe issues for good? It wouldn't even need to be run all the time, only for like 24 hours after adding new water, after which point the loop would be totally clean.

Would this work?
    
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post #2 of 15
UV sterilizers for aquariums use usually stay on all the time and must be shielded, as the UV emitted will affect you if you're exposed. The bulbs also wear out, so cost wise, it's not worth it IMO. Here's a small unit I want to add to my RO/DI system.

http://cgi.ebay.com/ws/eBayISAPI.dll...ht_3882wt_1139
Edited by ezveedub - 2/6/11 at 2:02pm
     
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post #3 of 15
Thread Starter 
But if you just unplug the thing 24 hours after plugging it in, everything will run just fine and dandy! After all, using a UV bulb once every ~3 weeks for 24 hours won't exactly burn it out quickly.
    
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post #4 of 15
Interesting thought and concept. I would still combine it with a kill coil myself just as that extra insurance, but if it can be done I'd say try it out.
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post #5 of 15
A good buddy of mine builds high end aquariums for well-heeled clients in and around Los Angeles (hence my growing interest in a chiller). No killcoil required if you use a quality UV sterilization kit.
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post #6 of 15
It would work perfectly, although I wouldn't use it. Even if you managed to get one for free, the small amount of electricity it consumes would be much more expsensive than a Silver Kill Coil even after only a few months. Add in the fact that it produces radiation dangerous to human flesh and the initial cost I just don't see the point.

It's not like you have problems with algae growth with a silver kill coil anyways.
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post #7 of 15
Agreed on all accounts. Unless you opt for a chiller with native support for a UV kit, I would simply stick with a killcoil. Simple, inexpensive and effective.
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post #8 of 15
5/8 is the smallest i've found so far. this is a great idea, if we can find a small enough light.

http://www.azponds.com/New_webpages/...erilizers.html
    
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post #9 of 15
I have a degree in microbiology and yes I think it would work great for killing all those little buggers. The fume hoods that I have worked with dangerous bacteria in are all sterilized by UV lamps.

But I do agree that it is probably overkill (literally) for a PC watercooling setup. Cool idea though.
    
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post #10 of 15
Two problems I see:
  1. Most materials used with WC are not able to stand up to germicidal UV (aka type C) and will degrade quickly
  2. A one spot UV treatment will not kill everything in the loop. Stuff can get trapped in the blocks and still grow. This is why PT nuke and kill coil are effective since they can penetrate all loop componets.

Problem one can be solved by using FEP (Fluorinated ethylene propylene) tubing for the section where the light would be placed since it can handle UVC and not degrade. You would still have the second problem though. In the long run, the power usage, plus bulb replacement (life around 3600 hours), it would be better/cheaper with just pt nuke.
Edited by just_nuke_em - 2/6/11 at 6:52pm
    
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