Been in tank for 6 months,started to look like this for about a month. 2-55w actinic,2-55 w 10000k.
sal.1.023
ph-8.2
nitrite 0
phosphate .05
ammonia 0
nitrates 40.
I am in process of replacing CC with aragonite. Nitrates have always been high.Bubble coral,anthelia,mhshrooms,gorgonians all are doing great. Thanks