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UV led? Answered

Hi all../
Please  help me by tell me what  kind of UV led ( the  WAVELENGTH) for better see water glow in the dark ( water + highlighter pen ) with this color (please see photo)Because in Ebay sale some different UV led  wavelength 390 to 410 nm . Many thank you.

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Downunder35m
Downunder35m

Best Answer 5 years ago

There should be no visible difference for your purpose.
The only real difference is the power level of the LED('s).
You can get energy saving lamps as "Black light" lamps as well, they give pretty much the same effect but with more area to work with.

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rickharris
rickharris

5 years ago

Pretty much any UV LED will work in this application.

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lam
lam

Answer 5 years ago

@ rickharris and Downunder35m

.Many thank you for yours help I will buy

some led with difference wavelength for to try

Best regards

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rickharris
rickharris

Answer 5 years ago

Just as a passing observation you can try tonic water as well. It glows.