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Old 11-24-2009, 09:05 PM   #11
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Thanks for the all the replies! But I seriously think that it has to do with my lighting system because if you look close, at the back of all of my rocks where they are shadowed from the light, all of the coralline algae is a beautiful purple, but once the light directly hits the rock, it turns white. Something about my lights is causing this.

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Old 11-24-2009, 11:01 PM   #12
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Try putting a few layers of screen between the light and the tank and see what happens.

Happy Reefing,
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Old 11-24-2009, 11:52 PM   #13
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And test your calcium and alkalinity, just to humor the rest of us!

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algae, bleach, coral, coralline, light, rock

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