Phytogold S is a concentrated suspension of Isochrysis sp. and Pavlova sp., unicellular marine algae designed to provide essential nutrients for various invertebrates in saltwater aquariums. This phytoplankton suspension ranges in size from 4 - 10µm, making it ideal food for soft corals, clams, sponges, tunicates, and larval invertebrates. Each milliliter of Phytogold S contains over 75 million phytoplankton cells, ensuring a rich source of omega-3 fatty acids EPA, DHA, and ARA, as well as crucial amino acids to enhance the coloration of marine life. It does not require refrigeration for storage, making it convenient for aquarium maintenance.