ReefPure Ultimate Aminos Supplement ReefPure Ultimate Aminos Supplement provides essential Amino Acids for the growth of hard corals including SPS and LPS corals. Amino acids are used in the calcification process to build coral skeleton and are equally important as Calcium and Carbonates. In addition, Amino Acids serve as an energy source for corals and beneficial bacteria. ReefPure Ultimate Aminos Supplement is a comprehensive blend of essential Amino Acids as found in coral skeletons and includes proteins vital for calcification and tissue coloration. ReefPure Ultimate Aminos Supplement is a unique product that actually promotes growth beyond natural growth rates and promotes the maximum color intensity of the coral tissue. Contains: 5-Stage Reverse Osmosis/Deionized water and a proprietary blend of Amino Acids.