The present invention relates to water modifier for improvement in the characteristics of water and has been made such as for improvement of the fuel consumption of an automobile or giving a good function to the
human body, based on a new conception of modifying water itself, which water is capable of being associated with the
combustion efficiency, such as water stored in a radiator or water in the form of
water vapor contained in air which is mixed with
gasoline for
combustion, without the necessity to modify an engine or electric
system or the necessity to add something to
lubricant or the like. It is an object of the present invention to provide water modifier that is capable of contributing to the improvement of fuel consumption of an automobile and giving a function, which desirably affects to the
human body, to water, by modifying water per se. Water modifier according to the present invention includes fired earthy substance that contains at least one of Al2O3, B2O3, BaO, CaO, Fe2O3, K2O, MgO, MnO, Na2O, SiO2, TiO2 and ZnO.