Seawater samples were collected from the El-Shatby beach located on the north Mediterranean shore of Alexandria, Egypt. Ten-liter sample of seawater was collected and stored at 20 °C. Regular tests were conducted to characterize the collected samples and to ensure that the water quality remained consistent. To prevent any contamination of the collected samples, the containers were cleaned properly in the laboratory prior to sampling and rinsed at least twice with seawater at the site prior to the sample collection. Sea water sample was tested by determination of the total hardness and pH value and the averaged results of these two parameters are listed in Table 1.