Supports the healing of wounds, preventing secondary infections. Effective control for goldfish showing signs of white spots, damaged fisn, cotton-wool like tufts, ragged or blood-streaked fins, cloudy eyes, rapid breathing, wounds and abrasions, clamped fins, and lethargy. Manufactured to the highest international (GMP) standards Add 5ml per 20 litres (4.4 gallons) of aquarium water. Treatment should be repeated at weekly intervals. Prior to redosing, it is advisable to perform a 20-30% water change, using tap water conditioned with Tetra Goldfish AquaSafe.