R&D TECH. Center, leaded by the author Dr. Wael Abdelmoez, cooperated with OAKWOODE Group Company to carry out a wide study about the benefits and applications of magnetized water in the different fields. The present book is considered as the main output of this study. The book consists of five chapters. Chapter one includes general introduction about the magnetic structure of water and magnetization. Chapter two summarizes the previous scientific studies in the field of the different applications of magnetized water including agriculture, concrete, and hard & saline water treatment fields. Chapter three shows the different applications of magnetized water and the devices already existed in the market. Chapter four represents case studies for the different applications of magnetized water in various countries. Finally, Chapter five shows final conclusions about the benefits of using magnetized water in many fields.