If LED's didnt grow corals... everyone with LEDs over their tanks (who have had them for more than a month) would have nice bleach white tanks. (or brown, red, green, from only cyano/algae, lol).
You wouldnt see 'growth pics' or 'colouring up' pics from people with LEDs if they didnt work.
Cheers,
Chris
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No more tanks  - Laying off the ReefCrack for awhile!
Cheers,
Chris
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