"Dusty Brown Fur"

Mar 30, 2011
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#1
I recently deployed for some time, and when I returned my Fluval filter was over-due for a change, resulting in what looks like a "Dusty Brown Fur" all over my live rock. I tried shaking the live rock in the aqarium, which keeps making the water cloudy. Then I shook them out in a 5-gallon bucket, but it keeps collecting a coating of brown. My corals & fish seem to be fine, however; the coating is also on any algea that my tangs like to graze on. How do I get rid of this problem, or will time take care of it?

Thanks, Dean