The Vitamarin M multivitamin supplement from Brightwell is designed to provide a full range of essential vitamins to marine aquarium inhabitants including fish, corals, and invertebrates. Formulated to match the vitamin ratios found naturally in filter-feeding marine invertebrates, this supplement helps ensure optimal health and vitality for all reef tank residents by addressing potential nutritional deficiencies that can arise over time. It is composed of purified water and ultra-high purity materials, ensuring safe and effective use without the need for refrigeration.