Aqueon Marine Flakes Provides balanced nutrition for daily feeding of fish living in a marine (saltwater) environment Contains Chlorella algae, which provides essential vitamins, minerals, amino acids required by marine fish Formulated with natural ingredients and colors with added vitamins, minerals and trace nutrients for a healthy diet Helps support a healthy immune system and bring out the true colors of your fish Specially formulated so that fish utilize more of what they eat, creating less waste