Have had this monti in the tank for about 90 days. Noticed about 2 weeks ago the edges started turning brown and slowly bleeching. All my parameters seem to be in check besides my alk did take a radical drop from 10.5 to 8.8 in only about 6 days last week, accidentally dosed to much. Steady at 8.8 now. Not sure if that would do it or not, new to reefing tank is about 4 months old and this was my 1st SPS. PAR is about 230
Cal - 440
Mag -1350
No3 - 10
Alk - 8.8
I’ll attach a before and after photo
Any pointers would help. Thanks
Cal - 440
Mag -1350
No3 - 10
Alk - 8.8
I’ll attach a before and after photo
Any pointers would help. Thanks