Help with Leptastrea

[rapurcell85]

Any thoughts on how to make my Leptastrea happy? It's receded back quite a bit, and I'm at a bit if a loss. My parameters have been stable for a while, with everything else except a hammer I accidentally hit with a rock doing very well.
Nitrates 50ppm
Ca 430ppm
Mg 1350ppm
Alk 8.6
pH 8.0
PO4 1ppm
Salinity 35ppt
Any help or advice would be greatly appreciated.

 

[archercorals]

In my opinion that’s too high nutrient levels. Especially if it came from cleaner water

 

[Gigajoulz]

I’d start with getting nitrates down between 0-10ppm. With nitrates that high, the phosphates are likely higher than you think unless you’re running some GFO. Phosphate is usually 0.01x that of Nitrates level, so if NO3 is 50ppm, PO4 maybe as high as 0.5ppm. I found another post that said phosphates above 0.1-0.2ppm will cause leptastrea to close.