Hard Coral discoloration & brown spots - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 2 Old 09-01-2007, 03:37 PM Thread Starter
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Hard Coral discoloration & brown spots

Hi! My hard color (pictured) went from a light pink to a white, bleached color, and developed a brown patch at the bottom, which is covering some of the polyps. What is this and how do you cure it?[/img]
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post #2 of 2 Old 09-01-2007, 06:33 PM
That appears to be a plating goniopora. Goni's are not hardy in captivity. It may be recessing and dying. Algae will quickly grow on the dead spots.
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