Advanced Trace & Minor Element Supplement for all Marine Fish & Reef Aquaria Overview Unique complex that replaces trace and minorelements used by fishes, corals, and other invertebrates, and which are lost through chemical filtration (protein skimming and use of filtration media such as resins and activated carbon). Provides 29 minor and trace minerals, all present in natural seawater ratios. Does not contain minor or trace elements not expressly known to be utilized by marine organisms or take place in chemical interactions. Composed of purified water and ultra-high purity materials. Formulated by a marine scientist.