Questions - Need some input

A neon green hammer coral of all things! Has anyone ever experienced this? I'll try to put a picture up. Very mobile brown patches that irritate the tentacles making them over inflated to the point that you can't tell that it's a hammer.

Well,here we go.In the beginning there was a freshwater tank.Then 2,3,4,7!Then there were aquatic plants(by the 5 gal bucket load).Then there were Cichlids and Rainbows and everything between. And then there was a void and nothing could fill it.And then there was marine,and it was terrible.All the rules of fresh were useless(not all) and all was lost.Back to beginnings and years of reading and learning and modelling other peoples systems.My first question is , what would YOU do with a refugium measuring ...