Physicochemical and phytoplankton analyses of the studied water at Hurghada shores, Red Sea coast were varied slightly during September, October and November and indicated that water were oligo- or mesotrophic. Biochemical analysis of Turbinaria ornata showed that it's content of vital components (protein, carbohydrate and minerals), economic components (Alginates and agar) and biologically active compounds such as oleic and palmitic acids. Turbinaria ornata may be used in water treatments because... Mehr