Nutrafin Max Marine Granules is a nutritious, highly palatable, slow-sinking fish food that provides the ultimate in marine fish nutrition. Naturally coloured by its ingredients, the fish food contains special, iodine-rich, dried seaweed as well as spirulina. The granules also contain multi-vitamins and Advanced Yeast Extract, which helps improve digestion and allows optimal nutrient absorption. The fish food container has a specially-designed lid that serves as a convenient dispenser.