ATI ICP Element Vanadium - 150 mLATI ICP Element Vanadium 150 mL ATI ICP Element Vanadium is a high purity trace element supplement used to restore vanadium levels in reef aquariums. Why Its Important Vanadium supports coral coloration, sponge growth, and overall metabolic activity. Low vanadium levels can result in pale coral coloration and poor sponge development. It is removed by skimming, activated carbon, and other adsorption media and is rapidly depleted in systems with strong