Emulgated multi-vitamin preparation for strengthening fish during or after diseases, after introducing them into a new aquarium, for breeding and to vitaminize food for fish fry. sera fishtamin is also suitable for strengthening pond fish before and after hibernation. It can be added directly into the aquarium water. It is better, however, to drip 6 - 7 drops per fish directly onto the food a few minutes before feeding once a week. Pond fish should get 10 - 12 drops sera fishtamin per fish every day for three weeks.