Quote:
Originally posted by ezcompany
benray4fun: ultimately what is measures is par values. i believe that even though the LEDs don't shine as bright as metal halides, they claim to have equal or better par. it is still a new technology and i don't know enough to comment on it.
fefo23: how deep is your 30 gallon?
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That's a very honest and respectful answer. You're also correct, the par is better..."here's a link to read up on them"
http://www.advancedaquarist.com/2006/8/review2