Freshwater Fish DiseasesForum dedicated specifically for the discussion of Freshwater diseases. This includes fish diseases and plant diseases, cases of suspected malnutrition, hospitalization practices, and any other questions that deal with the diagnosis and treatment of Freshwater diseases.
I have 2 parrot fish and they are getting black on the fins and tail. I have checked all levels and they are ok. Can anyone tell me what I can do to get rid of the black.