i found my peacock eel died today it didnt look good for the past days it was just lying on the bottom on some plants also one of my tiger barbs i found died with it. the water is good ammo ppm 0, nitrite ppm 0 nitrate 5.0 its a planet tank.
Water Conditions What test kit did you use? How often do you change your water? How much water volume is replaced? Did you add dechlorinator in it? Possible contaminants?
Foods Check expiration date. Post the foods used and time frame involved when feeding them.
Body Conditions Did their stomachs look hollow? What is the appearance of their poo? Any unusual symptoms?
Tank What else are in the tank aside from eel and barbs? Pics of the tank? What size is the tank? Did you add any new fish to the tank? Did you add any decorations?