The package consists of an envelope containing a test tube and instructions for collecting the aquarium water sample, shipping it and viewing the test results. Kit for shipping and measuring with extreme precision of 36 elements (Li, Si, I, Ba, Mo, Ni, Mn, Be, Cr, Co, Fe, V, Zn, Hg, Se, Cd, Sn, Sb, As, Al, PB, Ti, Cu, La, Sc, W, Na, Ca, Mg, K, Br, B, Sr, S, P, PO4) + Salinity and KH! Instructions: Step 1: take a water sample with the tubes supplied Step 2: register on the website www.marinlab.com Step 3: send the tube with the appropriate envelope according to the instructions in the registration Step 4: wait for the answer in the mail or check the status in your account
