Quote:
Originally Posted by pangp
I experienced something similar when I changed to a higher output bulb. My paly's have not opened fully since changing bulbs so I assume they do not like too much light.
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Lighting is a Hagen Glo 2x24w T5HO with an UVL 454 and an AquaScience 15,000K. Both of the Palys are on the sand which is about 14" from the bulbs. I tried switching bulbs; at one point I had the UVL 454 with an UVL Super Actinic. Despite the shockingly blue look to my eyes (and decreased PAR), none of the corals had a reaction.
The tank ran that way for 6 weeks. I also tried a 10,000K bulb (can't remember brand) with the UVL Super Actinic and the corals didn't react to that either.
FWIW, the LFS here has a large, wicked colony of Nuclear Greens about 24" away from 3x400w XM 20,000K halides w/ T5 supplementals as well.