Component B is designed for complementing minor deficiencies of heavy metals in a marine aquarium. Contains: cobalt, copper, chrome, manganese, zinc, nickel, iron. Skimmer and filtration media tend to remove trace elements from the water of closed aquarium system, making micro nutrients supplementation necessary. The unique composition of the preparation ensures supplementing the water with heavy metals essential in the reef aquarium. Component B was designed based on the ratio of elements in natural seawater. Due to supplementation of crucial elements the corals will gain intense coloration and stay in fantastic condition. Safe concentration of the preparation minimizes the chance of micro nutrients overdose, therefore Component B can also be used by novice aquarists.