ATI ICP Element Copper - 150 mLATI ICP Element Copper 150 mL ATI ICP Element Copper is a high purity solution for restoring trace levels of copper in reef aquariums. Why Its Important Copper acts as a cofactor in enzyme processes and supports healthy metabolism in fish and invertebrates when maintained in ultra low concentrations. Copper also plays a role in iron usage, calcium metabolism, and other biological functions. Specifications How Much to Use: Add 1 mL per 100 L (26