Does that goby sit on it?? When I had my clown goby, I never saw polyps as the goby would be wheeling his little but into every SPS I had. After getting rid of the goby, the SPS were fine.
You may also want to check for red bugs.
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Christy's Reef Blog
My 180 Build
Every electronic component is shipped with smoke stored deep inside.... only a real genius can find a way to set it free.
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