Nope. Not until I get rid of my bryopsis. Working on it though. I am going to nuke the tank with magnesium and hopefully get rid of it. Magnesium was at 1370ppm today though. Calcium: 436ppm
Thanks. Thats a royal tuxedo urchin(Mespilia globulus) and for the zoas https://forums.saltwaterfish.com/t/364557/zoathid-id I have been eyeing these zoas forever and finally bought them.