75 Gal tank has been set up for about 10 years. Over the last few days all of my fish have died except my filefish. Shrimp and anemones seem to be fine. No visual signs on fish like ick. Any ideas on what I could be dealing with?
Temp 77
pH 7.71
Sal 1.026
Alk 7.7 dkH
Nitrites .25
Nitrates 54, always has run high
Temp 77
pH 7.71
Sal 1.026
Alk 7.7 dkH
Nitrites .25
Nitrates 54, always has run high