safest fluke treatment?

[terror]

what is the safest treatment for flukes?
also how dfo you know if a fish has flukes... particularly big fish...

[wetmanNY]

Flukes are parasitic flatworms: they're tougher and more resistant than many single-celled parasites.

A short-term bath in salted water, where salt is increased every fifteen minutes until the fish shows its first signs of stress is less toxic than the organophosphate insecticide Trichlorfon.

[Kit Walker]

Sterazin is a good remedy made by Waterlife. It will not harm nitrifying bacteria if used according to the instructions.