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- Nov 2, 2016
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I have had this encrusting monti-type coral in my tank for at least six months. Currently about 6" across. It's been great - fast growth, blue edges, happy little ployps. But a few weeks ago it lightened up from a deep red to a more medium pinkish-red. Then it developed some whitish patches in the front, and now bright white patches on the rear edges. I was thinking it might be a nearby Hollywood stunner committing atrocities, but that doesn't explain the lightening of color or the whitish spots on the front. Definitely not a nudibranch - I'm meticulous, and besides I have a bunch other monti colonies and they're all dandy. Color has come back a bit but white spots are increasing. What could this be? I'm at a loss, but I don't want to lose this coral. Thanks in advance...