Dinos = dinoflagellates. kinda like cyno-bacteria. red slimy algae looking stuff.
As for your acro, the tissue recession is generally referred to as STN, or RTN, depending on the speed of the recession and is sometimes caused by bacteria as well as several other possible causes. Cutting the coral well above the affected area sometimes stops the spread of tissue loss, saving the coral.
I would also try and knock your phosphate down using GFO, 0.25 is pretty high, could be causing the browning of your other corals.
Best of luck!
Last edited by Starry; 11-20-2013 at 09:46 AM.
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