Any idea why my sally lightfoot all the sudden up and dies on me? 72 gal bow front; 80# l/r; Pc lights; magnum 350; cpr2 bakpak; 2 powerheads; maroon clown, sptted hawk, bi color psudo, red lip blennie, smaller sally, various blue legged and scarlets, emerald crab.
All water perameters are...