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UV light for keeping bacteria at bay? - Page 2

post #11 of 16
UV Is excellent. I think it might work if you took you time and did it carefully. The only issue is heat build up in aquariums the water removes the heat were in a water cooling loop the water moves slowly so there for will create allot of heat build up. How ever if you set it to intermittent say once a day for 5 to 10 min it would probably do the trick. I would ramp up the fans at that time as well to remove the access heat.

You have to seal in the bulb and normally use a Chrystal sleeve to do this and you slowly let the water circulate. Steel Vessels are best and obversly never look direct at the UV C light and never let it near your skin it will do you some real damage. It does consume more electric as we run them on our systems.
Edited by Mayhem - 11/10/13 at 11:29am
post #12 of 16
the tube for these lamp are expensive and don't last very long , you are supposed to change them every years
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post #13 of 16
Quote:
Originally Posted by ZytheEKS View Post

[...] Or you could just buy a $17 biocide that will last for a couple years.

I've not seen a biocide costing that much, or if I did I'd avoid it.

@ ~$4 each, you could get 3 bottles of PT Nuke or Nuke PHN for less than $17.
@ 3-4 drops per liter even with frequent liquid changes Nuke costs like ~$1 a year.

Given the added heat and expense I don't see me trying to use UV light to control bacterial growth in my loop.
Edited by Unicr0nhunter - 11/10/13 at 1:08pm
post #14 of 16
Quote:
Originally Posted by Sir Diesel View Post

Great discussion, thank you everyone.
Not honorably expensive, this one is only $9.80 +S&H


1000Bulbs

I know there's more to it, this is just an example.

I wonder how small of a UV system would be required for a WCPC application?
It maybe the best choice at this time.

Is... is that a mercury filled incandescent light? I wouldn't put that anywhere near my computer, or near myself...
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post #15 of 16
the thing is that i m pretty sure it doesn't prevent many algue to form , it s mainly to kill bacteria , i have a pond outside with a filter and a uv lamp , and at the output of the filters right after the Uv lamp , you can see a lot of algue. i think the filter do most of the jobs for algue but even with this systeme that flow 24/7 in a spot without oxygen you can still find algue .
now i know a computer is not a pond but as soon as you turn the flow off , the uv lamp becomes useless , the tubes that i m using for that cost 40 bucks and have a MTBF of only 5000 , you have 8000 h in a year ,...
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post #16 of 16
Thread Starter 
I guess if you clean you loop(s)every year or two it shouldn't be a problem to just use the chemical method.

I have to keep telling myself, "Keep It Stupid Simple" or was that "keep It Simple Stupid"? wink.gif
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