Kent Micro-Vert contains a nutritionally balanced diet for corals; sponges; anemones; gorgonians; feather dusters; clams and other fine filter feeders. It is rich in vitamins and natural minerals from spirulina and kelp. Kent Micro-Vert is properly preserved; with preserved for human food use. It has a long shelf life without refrigeration and will provide superior results; just smell the difference. Main Points: Provides rich sources of protein fats and fiber for invertebrates; contains heavy amounts of spirulina and kelp; provides full spectrum vitamins. Considerations for Use: At a minimum supply additional calcium through Kent Marine Kalkwasser Mix; Liquid Calcium or Turbo-Calcium and use Strontium and Molybdenum Supplement. Kent Marine Essential Elements and Coral-Vite will greatly enhance the keeping of marine invertebrates. If large numbers of invertebrates are kept; also use Kent Tech I to supply additional iodine. Live corals require strong lighting; with proper spectrum and immaculately clean systems. Regular water changes are encouraged. Use Kent Marine Superbuffer dKH to control alkalinity and prevent pH swings.