New owners of an acreage had their well water analyzed by Alberta research center. The well water was found to contain Cl-(aq), I-(aq), Fe2+(aq), NO3-(aq),Ni2+(aq), Zn2+(aq), and Na+(aq).
List two potential metals that the owners should chose as pipe material in order to safety transport the water from the well to their home. Explain your choice.