PhytoGold-S from Brightwell Aquatics is a concentrated suspension of Isochrysis sp. and Pavlova sp., two types of marine algae that provide an essential diet for many reef aquarium inhabitants. This golden phytoplankton supplement offers nanoplankton ranging in size between 4-10 microns, making it ideal for feeding soft corals with short tentacles, clams, sponges, tunicates, and larval invertebrates. PhytoGold-S is formulated to supply over 75 million phytoplankton cells per milliliter, ensuring a rich source of nutrients including omega-3 fatty acids EPA, DHA, and ARA, as well as amino acids that enhance the health, growth, and vibrant coloration of aquarium inhabitants. The product does not require refrigeration and includes a proprietary amino acid to aid in color enhancement.