Tetra GoldMed is an effective and safe control for the common diseases affecting goldfish. - Supports the healing of wounds preventing secondary infections. - Effective control for goldfish showing signs of white spots damaged fins 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.