ORIGINAL BLEND This is “The Complete Reef Food,” designed to feed every animal in your reef aquarium. The Original Blend contains particle sizes from 5 microns to 3/8 inch, meeting the needs of the smallest filter feeder to most chunk-munching predators, and everything in between. If your aquarium contains fish and corals, this should be your primary food mixture. Ingredients: Whole Shrimp, whole squid, whole oyster, whole clam, whole octopus, perch, scallop, krill, Pacific plankton (like mysis but from the ocean), brine shrimp, fish eggs, green seaweed, certified raw red sea-weed, broccoli, carrot, mini-pellets, baby brine shrimp, rotifers, astaxanthin, beta-carotene, garlic, and omega-3 fatty acids (DHA).