tetracycline for fish that will make you treat a bacterial infection

[Giovanni Carlo Bagayas]

This is what I treat my fishes when they are infected by bacteria when there is no available in the pet store see my video here tetracycline for fish

 

[MitchM]

As Giovanni says, use antibiotics in a hospital tank only, not in the main pond.
Antibiotics will kill off nitrifying bacteria as well.

 

[Giovanni Carlo Bagayas]

Yes bro you are right