Saki-Hikari ® Marine Carnivore - Sinking For years the formulation team at Hikari ® has worked diligently to identify a probiotic that would be beneficial to marine carnivores. Once they isolated the preferred bacteria from literally thousands of options, they continued to work on a diet that would bring about the same results our koi consumers have enjoyed for more than a decade. After many years and countless feeding trials Saki-Hikari ® Marine Carnivore is the result. A diet all marine carnivores crave! The World's 1st Probiotic Enhanced Marine Fish Diet Offers an incredible nutrient mix With continued and exclusive use brings "just off the reef" coloration Helps reduce waste volume and size reducing the load on your aquarium's bio-action Expect growth and form that are as close to that of actual reef specimens as humanly possible