UV LEDs - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 09-14-2012, 01:21 AM Thread Starter
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UV LEDs

Is anyone aware of UV LED sterilization tool or just UV LED in the proper spectrum for sterilation? I would absolutely love to fit a few UV LEDs into the powerhead I have my CO2 piping through. Kill two birds with one stone...
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post #2 of 3 (permalink) Old 09-14-2012, 02:32 AM
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What an interesting concept.
Consider that water sterilization is a perfect battery powered or even solar powered camping or appropriate technology use of LED technology.
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250nM to 280nM Deep UV can work. LED UV emitters are already used in some commercial and home products. Wattage, number of units, dwell time, and kill dosage for aquarium usage will have to be calculated.
That work is being done for drinking water.

For commercial "home" units there are lots of emitters on Alibaba.com in the 250nM to 405nM range, waiting for products to be designed around them. Unfortunately the higher range products won't break down DNA, but they'll sell. (sigh)

Here are some recent articles to start with.
http://www.sciencedaily.com/releases...0426160133.htm
http://www.springerlink.com/content/t0r7720014222t16/
http://ledsmagazine.com/features/9/2/5
http://www.ncbi.nlm.nih.gov/pubmed/18003342

CAUTION
If you start tinkering with UV sources use face and very specifically eye protection.

As to the face, I used to work in a lab that did bio work and used UV sterilization in some rooms. A otherwise quite lovely young lady had really great skin around her eyes. The rest of her facial skin looked like that of a fifty year old smoker. She used UV eye protection but not a facial shield.
post #3 of 3 (permalink) Old 09-14-2012, 03:23 AM Thread Starter
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Thanks. Ill out to a few of the suppliers. If I can get a couple cheap enough, I think it will be easy. This could be fun. I'll let you know how it moves along...

I'm surprised they exist and they havent been incorporated into various aquarium devices...like the inside of a canister filter or something.
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