FTCo. Plankton Delight (20oz) - Live Phytoplankton 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 6,250,000 plankton cells per 1 ml. Harvested daily to ensure freshness. Free 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.