This is my 2nd fish (fox face, blue tang), which died in less than 24 hours in QT. New fish from store
QT: new 20 gal tank
Not cycled
Amonia 0
Nitrite 0
PH 8
Water RODI
Salinity 1.023
PVC hiding pipe
Sponge filter with air exchange
Thermometer
Filter with sponge
NO copper treatment , no medication
Temperature. 75
any ideas what is killing the fishes?
QT: new 20 gal tank
Not cycled
Amonia 0
Nitrite 0
PH 8
Water RODI
Salinity 1.023
PVC hiding pipe
Sponge filter with air exchange
Thermometer
Filter with sponge
NO copper treatment , no medication
Temperature. 75
any ideas what is killing the fishes?