TetraPrima complete food for midwater and bottom-feeders such as discus, angel-fish, barbs, catfish, and loach ? Available in 30g,75g,150g,300g ? formulated to the special nutritional requirements of discus and other mid-water fish, with regard to colour, shape and formula ? contains all essential nutrients,vitamins and trace elements ? stabilised vitamin C increases resistance to disease, promotes healthy growth and prevents nutrition-related deficiency and disease ? promotes well-being, natural colouring and growth