Make sure you stand the coral up so none of the sclerites are touching the sand. It can be easily irritaed, not to be treated like brain or plate corals, The fless needs to remain free of hard surfaces. Also see if it can be placed under an outcropping or shaded area where it will get less light.
What the loose fleshy areas to be sure they do not start deteriorating or you start seeing brown jelly like areas. As long as you see no infection, light feedings of finely minced vitamin fortified foods should help improve the health. MAke sure water flow is moderate to keep the coral clean but nothing brisk.
How's the alk
, pH and salinity?