M007
Acro Whore
I re read your first post. N03 listed twice at 0 and 2. Also KH somewhat high for a young tank with what appears to be low on nutrients. Not sure of what other coral you have or fish so I would suggest you drop your KH to 7.5 to start. If you have a P04 kit try to maintain 0.1 and the same number for N03. I can't say that this will save your Pectinia but it will give it a chance. You might want to start with something more tolerant such as Torch or Zoa until you get your system settled in. If they do well then move on to something more challenging. It's a long road to sustainable success but worth it IMHO.