Hikari Seaweed Extreme Pellet. The world's first pellet for marine fish that offers an extreme amount of natural algaes. With more than 67% algae, this pellet is devoured by any marine herbivore as soon as it hits the water. Gone are the days of hanging seaweed strips and the mess they leave in your tank. Let Hikari® help you give your marine herbivores and omnivores what they need with little or no fuss. Sinking Food Growth Colour Enhancing Easily Digested Your Fish Will Beg For More Highly aromatic wafers and pellets that soften rapidly when put in water and instantly attract herbivorous species Easy transition from Nori Algae Vivid nutrient mix offers rapid growth and helps support immune system health while helping maintain coloration Ideal supplemental diet for most omnivorous species, including clownfish, damsels and butterflies Available Size: Small Pellet (3.52 oz) Medium Pellet (3.16 oz / 8.8 oz / 2.2 lb)