I have had this Galaxea for 3 months, but over the past 2 weeks, it has gone downhill, partial opening and visible stalks. I target feed mysis or oyster once a week
125 gallon
salinity 1.024
pH 8.2
ammonia 0
nitrite 0
nitrate 5
phosphate 0
dkh 9.0
calcium 425
magnesium 1140
lighting 5 T5, 3...