Red Sea Reef Energy B Supplement, 500 Milliliters, for Aquarium Corals Amino acids and vitamins are required for the constant production of proteins, pigments and healthy soft tissue Contains a blend of amino acids and vitamins enabling corals to grow through their own metabolic activity in parallel to the energy The ingredients of reef energy B should be used in conjunction of reef energy A which contains a blend of carbohydrates in a format Amino acids and vitamin complex essential for coral metabolic activity Available in 500-ml bottle