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Unread 05/21/2010, 05:24 PM   #11
OceansWonders
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Join Date: Jan 2007
Location: Decorah, Iowa
Posts: 176
LED's do not produce any UV. There are UV specific LED's but from what I know they do not produce the same wavelength UV that MH produce. I once thought that could be it but I have seen several great looking SPS tanks under HO T-5 only which do not produce any UV either. So I am still baffled why SPS do not grow well under LED's.


Quote:
Originally Posted by Nate R View Post
i dont spend alot of time reading about LED's but has anybody herd weather or not they produce any UV?



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