calling in the led lighting experts

ct103 · 02/14/2011, 06:23 PM

I know the actnic color we all like is around is 420nm wavelength what would be the result if I substitute 465nm leds for 420 how much color and brightness difference will there be?

Acrotrdco · 02/14/2011, 08:40 PM

405nm and 420nm wavelength violet LED bulbs are relatively close to the UV wavelength and aren't really that bright at all to the human eyes, but since photosynthesis cells react to that wavelength different from our eyes, it doesn't really mean they're generating less PAR, or to be more precise, PUR.

So answering your question, your tank will look slightly dimmer to you if you substitute 465nm with 420nm, but your corals wouldn't really notice the difference.

02/14/2011, 06:23 PM	#1
ct103 Registered Member Join Date: May 2006 Location: Enterprise, AL Posts: 420	calling in the led lighting experts I know the actnic color we all like is around is 420nm wavelength what would be the result if I substitute 465nm leds for 420 how much color and brightness difference will there be? __________________ Some people are like slinkies, not really good for anything, but they can still make you smile when you push them down the stairs. Current Tank Info: 55 gallon reef/ 1-55 gallon cichlid tank

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02/14/2011, 08:40 PM	#2
Acrotrdco Moved On Join Date: Jul 2010 Posts: 708	405nm and 420nm wavelength violet LED bulbs are relatively close to the UV wavelength and aren't really that bright at all to the human eyes, but since photosynthesis cells react to that wavelength different from our eyes, it doesn't really mean they're generating less PAR, or to be more precise, PUR. So answering your question, your tank will look slightly dimmer to you if you substitute 465nm with 420nm, but your corals wouldn't really notice the difference.