You should buy a water purifier if water quality is poor and hardness found in your area. Drinking water helps in a number of bodily functions like proper digestion of food, removal of toxicity. Still, it can also have negative impacts on health when it contains harmful pathogens, as you need to be careful about drinking waters quality. The growing water pollution makes it hard to get pure water because water is a universal solvent, and it can easily dissolve all sorts of unwanted objects. Because of this, water becomes rich in biological, chemical and pathogenic adulterants to become deadly.