The Red Sea Trace Colors C Iron+ supplement is designed to enhance coral coloration and support overall health in a saltwater reef aquarium environment. This formula contains eight light metals, including iron, manganese, cobalt, copper, aluminum, zinc, chrome, and nickel, which are crucial for various biochemical processes such as respiration, energy production, chlorophyll synthesis, and photosynthetic catalysts. Iron+, in particular, focuses on providing essential iron to aid in the development of green/yellow chromo-proteins found in many corals.