Quote:
Originally Posted by Reefer Rob
Even Acropora can get too much light. If I try to go too long of a photo-period with 400w lights, some acros lighten, and stop growing...even with a long acclimation period.
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what kinda 400 watts you using? the Iwak (can't remember the spelling) had a tendency to lighten up corals, but I think it was from there spectrum not the intensity.
my reason for thinking this is my old light design put out 22% more PAR than the 400 Iwak but instead of it being at 6500K it was at 12300K.
Initialy things slowed down but after a week, my colors went deeper, growth exploded, in everything from mushrooms to SPS. I had to get rid of about 30lbs of live rock as my tank was being taken over by mushrooms.
Steve
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