Green plate coral has been detaching from its skeleton over the last 1-2 weeks. All water parameters have been normal, was hoping it would go back to normal but it only looks like it’s getting worse and his mouth is now open all the time. all other corals in the tank looks to be doing great. any ideas as to why? I’ve read some other forums about flow potentially being too high so i’ve pointed the return further away from him… anything else to do to help?