Antibiotics as precautionary?

[Shallow Planet]

I've had bad luck with damsels and chronos coming in with disease. Anyone ever use antibiotics as preventative? Thinking about doing it for a group of damsels.

 

[Flippers4pups]

I've had bad luck with damsels and chronos coming in with disease. Anyone ever use antibiotics as preventative? Thinking about doing it for a group of damsels.

What disease/parasites?

This may help:

https://www.reef2reef.com/threads/fish-diseases-101.189284/