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#1
12-05-2006, 08:41 PM
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The difference in color is nice. But this shows that there is no growth with this clam. Not saying it is suffering, but its not thriving. The coloration change is also due to the light its being exposed to. Clams will look different under Actinic light compared to a 10K bulb. The original shot looks like it was exposed to a 10k bulb for some time or was a new shipment.
Clam looks great though. My arguement is not that you cant keep clams under PC lights, just that they wont thrive and grow under PC lighting. Every clam is different though. You may have found one that is fine with less intense lighting. Kudos to you  
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#2
12-07-2006, 01:52 PM
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I am with Diana on that, clams and SPS do thrive and grow under PC lights and i even had one blue crocea on the bottom under VHO that was a year old.
Good example is when you scubadive you see thing so deep that you would not expect it would be there, more so you need a flashlight to see them. IMO water movement and food goes before light. The more light you have the more water movement you need. MH is havily promoted by LFS to make $$$. I have had MH on most of my tanks before and i like PC better. JMHO.
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