Malacetic Aural Ear Flush is an antibacterial and antifungal ear flush which is effective in maintaining a healthy environment in the ears, especially in dogs that swim. With acetic and boric acid to cut through waxy buildup, Malacetic Aural Ear Flush Cleaner is especially useful where bacteria and yeast have been identified on cytology.Directions: Shake well before using. Apply to the ear and gently, but firmly, massage the base of the ear. Use a cotton ball to remove any excess solution. Repeat as necessary or as directed by your veterinarian. Close the cap tightly after use.