Yineng soda water is a real soda water. As long as it passes the national inspection and passes the national test, any soda water in the name is a real soda water. Soda water refers to a drink containing 0.4 to 0.6 grams of sodium bicarbonate per liter or a drink that is directly saturated with carbon dioxide in drinking water or beverages. The pH value of ordinary soda water is between 7.5 and 9.0. Weakly alkaline.