Natural phytoplankton is an important supplier of energy and nutrients for leather corals and soft corals, shell-fish, and other fine particle filter feeders. Tropic Marin Pro-Coral Phyton is a well-balanced plankton replacement suitable for all fine particle filter feeders in seawater aquaria. A premium algae blend in Tropic Marin Pro-Coral Phyton provides the invertebrates with trace elements and carbohydrates rich in energy in a form only found in the ocean. Spirulina is carotenoid-packed and if combined with brewer's yeast will provide the natural B vitamin requirements and, in particular, vitamin B 12.Tropic Marin Pro-Coral Phyton+ Plankton substitute for soft corals, bivalves and other micro filter feeders+ balanced supplier of energy and nutrients in a saltwater aquarium+ rich in trace elements and carbohydrates+ rich in natural B-vitamins, especially vitamin B12Application & Dosage Tropic Marin PhytonicAdding the feed to the aquarium: Start with daily doses of 0.1 ml for every