Nickel Ni is a critical trace element supplement designed specifically for saltwater reef aquariums. It enhances the color and health of SPS/LPS corals by providing them with essential nickel, which plays a crucial role in their metabolic processes and pigmentation. This product is part of the TRITON Lab ICP testing suite, allowing advanced aquarists to make precise, targeted adjustments based on detailed water analysis data. It is formulated after over a decade of research into natural seawater chemistry, ensuring it interacts correctly with other elements in reef tanks. The supplement supports optimal coral growth and vibrant coloration when used responsibly by experienced hobbyists who understand the importance of accurate dosing.