Rainbow delight Acro STN? Any one have lucj

[b4tn]

I’m wondering if there is anything I can do for this frag. The tip is supposed to be purple but has what I assumed was a burnt tip that seems to be getting larger. It has grown and continues to encrust. When I got it it was freshly glued to the plug and now the whole base is encrusted. It has PE with red polyps daily but the tip is slowly going white and getting algae growth. You can see it has PE from the pic regardless of the top damage. It’s under LED’s getting 200-250 PAR. All other SPS are very happy. I do run alk a little high and accidentally let my nutrients bottom out for about a week but that has since been fixed. My levels

1.026
N - 2ppm
P - .04
Alk 9.2
Cal 480

the tank is only about 4 months old but the 20 something other SPS frags, LPS, and Nem are all fat and happy.

 

[b4tn]

Bump Is the rainbow delight a difficult acro to keep?

 

[BranchingHammer]

I would assume it is all burn from the low nutrients and high alk. You might want to consider raising your nutrients or lowering your alk slowly.