Δεν ξέρω, μπορείς να βάλεις και αλάτι, αλλα αφού δεν είναι κάποιο παράσιτο εγώ δεν θα έβαζα..
Δες αυτά μέχρι να βρεθεί κάποιος που να ξέρει
http://www.kokosgoldfish.invisionzon...-ammonia-burn/
Typical Symptoms
The effects of ammonia burns usually do not appear until 2 or 3 days after being exposed. Signs to look for are ragged or frayed fins, cloudy eyes, rapid gilling, and a lack of appetite. Red blotches or streaks may also appear on a fish's body, which is a typical symptom
http://saltaquarium.about.com/od/sal...704ammonia.htm