Sera san is the nutritious color food consisting of carefully Manufactured Flakes for all fish that eat at the water surface. The color development is supported in a directed and natural way by high quality ingredients such as haematococcus algae. Furthermore, the balanced composition ensures a wholesome, Appropriate nutrition that contributes to strengthening the immune system and supports healthy growth as well as fertility. Since the tasty and shape retaining Flakes float for a long time they are eaten entirely and do not pollute the water.