Soda water, also known as alkaline water, is a beverage with a weak alkaline, often add soda sweeteners and spices of the beverage, there are no added sweeteners on the market soda, the following hazards described below are mostly artificial sweeteners and spices intake of excessive hazards. It is an aqueous solution of sodium bicarbonate, which is weakly alkaline and can be used externally to disinfect and sterilize. Sodium bicarbonate is what we call baking soda, also known as dough starter, with the molecular formula NaHCO? But this is not a direct addition to the dough starter, most of the soda sold on the market is in the purified drinking water pressed into carbon dioxide, and add sweeteners and flavors of synthetic carbonated beverages. Baking soda:NaHCO?Soda:Na?CO?, weakly alkaline. Soda is actually carbonated water, and Coca-Cola is a representative of carbonated beverages. Pure soda is also available, usually in bottles, sold in supermarkets. It can be used to make cocktails. You can go to the drugstore to buy baking soda tablets with warm water, but the concentration is not easy to grasp. Generally used to disinfect the soda water should be 0.4%.