Triton Labs ICP-OES Water Test- Full Panel of 32 Elements - Saltwater Reef Testing Kit The results of this test provide you with the most detailed analysis of marine aquarium water you've ever seen, enabling you to understand exactly what's missing, what's excessive, and what to do about it. Testing Elements Include: Na, Ca, Mg, K, Sr, B, Br, S, Li, Be, Ba, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Al, Si, As, Sb, Sn, Cd, Se, Mo, Hg, P (PO4), Pb, I.