sera Discus Color Granules is the color food without dyes and preservatives consisting of gently manufactured soft granules for all discus fish. The balanced combination of color optimizing ingredients such as natural astaxanthin from Haematococcus algae (175 mg/kg food) as well as spirulina and krill supports color development in a natural way. Disease resistance, healthy development as well as fertility are strengthened by optimally digestible aquatic protein, omega fatty acids, minerals and trace elements. The sinking granules quickly becomes soft without swelling or losing its shape when moist. Thus the water is not polluted.sera Discus Color Granules+ sinking soft granules, that retain their shape, for discus+ with a high amount of color optimizing ingredients such as krill and gammarus+ contains natural astaxanthin from Haematococcus algae (175 mg/kg of food)+ with optimally digestible aquatic protein from high quality sources+ quickly develops a meaty consistency in water withou