I did have to return the majestic because it took out the birds nest.
That looks like it but it's only on the rock. None one the sand.
I used base rock from macro rocks but did not clean the rocks or cycle them in salt water before use and now I think I'm paying for that mistake!
There are a posts here on RC, about the high phosphates from Marco rocks
I made a huge idiot mistake that I realized is probably the cause. I had oyster feast and coral smoothie. I bought it from a dry shelf and didn't even think to refrigerate after opening. So I was dosing with rotten nastiness for a few weeks Idiot!!!