Marine -A ® - Slowly Sinking Offering a sponge-like texture that duplicates foods these fish would be feeding on in the wild. The scientifically formulated nutrient mix offers usable color enhancing ingredients that will have your fish looking like they just came off the reef. Scientifically Formulated For Outstanding Results Offers color enhancement and active reduction of color fading Contains clam extract which improves palatability, even finicky eaters will love it Contains seaweed meal and pure-cultured spirulina to meet the nutritional requirements of plant eating marine fishes Features nutrients including DHA and EPA which help reduce stress associated with life in an enclosed marine environment and promote proper growth and development