“…In addition, Zn is the widely used materials in the anticorrosion treatment. The reported average Zn concentrations in aquaculture waters ranged from 0.06 to 0.13 mg L À1 in Taiwan (Liao and Chou, 2005). Doong et al (2008) indicated that Zn concentrations ranged from 0.005 to 0.354 mg L À1 in Gao-ping River.…”