sharkbaitsmomandpop Posted March 1, 2014 Share Posted March 1, 2014 Recently our star polyps started looking like they are growing some kind of rusty residue. They don't open as much anymore and they've lost a ton of color. What could the rusty red stuff be? Is it bad for the rest of the reef? How can we fix it? Link to comment
pegasus Posted March 1, 2014 Share Posted March 1, 2014 pictures would help, but it sounds like cyano bacteria Link to comment
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