AT Plankton Delight 5X Concentrate - Live Marine Phytoplankton Food for Fish, Bivalves, Corals, Rotifers, Copepods and other Aquarium Tank Animals Food for Copepods, Rotifers (zooplankton), Soft Corals, Clams, and other Filter Feeders Perfect balance of proteins, carbohydrates and lipids, including DHA, EPA, ArA and others. No Preservatives or Additives About 30,700,000 plankton cells per 1 ml Free 2 Day Priority Mail Shipping Win Monthly $100 AMEX Gift Card by simply making a purchase from Faremax Trading Co. The more orders you place the more chances to win you will have. A winner for current month will be chosen in the beginning of the next month.