I'm new here and looking for advice on my Duncan coral. I have searched threads and forums and haven't had any luck. I have a 14 gallon coral life biocube. For the lighting I have two coral life compact fluorescent lamps, one 24 watt 10,000k and one 24 watt actinic, one LED light bar. Temperature stays about right at 80. The tank itself is probably 4 months old. All of our levels are right where they need to be. We keep the salinity about 28-30 on the hydrometer. We have two separate pieces of star polyps, pulsing Xenia, an elegance coral, a hammer, several regular polyps different colors, several mushrooms and a bubble tip anemone. (All small, since it's only a 14gallon) We have a 40 gallon breeder we are setting up and letting it run its cycle before we add anything to it. Currently, everyone is super happy, wide open, bright colored. Except my Duncan. He has been closed for 3 days now and today when getting home from work he looks like he is now dead. Slime coming off him and discolored. I am debating taking him out before he harms the rest of my tank but if this is normal and I just don't know if I don't want to kill it. It just doesn't make sense because everyone else is very happy. Please any advice. I'll try and attach the picture of him.