- Milky cloudiness on the skin
This is a rare protozoan disease that causes a cloudiness of the skin.
The best treatment is with copper at 0.2 mg per litre (0.2 ppm) to be repeated once in a few days if necessary. Acriflavine (trypaflavine) may be used instead at 0.2% solution (1 ml per litre).
As acriflavine can possibly sterilise fish and copper can lead to poisoning, the water should be gradually changed after a cure has been effected.
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