My tank was established in Sept 2009 with 75 lbs of very alive rock. It has lots of copepods in the refugium and the main tank has lots of bristleworms and small brittle stars. (I thought about a 6 line wrasse but read they turn into little terrors.) My dragon goby is a sand sifter but he avoids diatoms and actually is looking very poorly lately. My fear is a sand sifting star would have the same fate.
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