Brightwell Aquatics PhytoChrom is a concentrated suspension of marine algae designed to enhance the health and coloration of filter-feeding invertebrates and planktivorous organisms. This product includes six different species of phytoplankton ranging from 1 to 30 microns, making it ideal for soft corals, clams, sponges, tunicates, tube worms, bryozoans, larval crustaceans, and juvenile fish. PhytoChrom is formulated with a proprietary amino acid blend that aids in color enhancement and provides over 200 million phytoplankton cells per milliliter.