2. Introduction of soda water:

Soda water, also known as weakly alkaline water, is a weakly alkaline beverage, and sweeteners and spices are often added. There are also sodas without sweeteners on the market. Most of the following hazards are caused by excessive intake of artificial sweeteners and spices. It is an aqueous solution of sodium bicarbonate, which is weakly alkaline and can be sterilized externally in medicine. It can be formed naturally or artificially by weak alkali effervescent tablets, soda effervescent tablets and machines.

Besides sodium bicarbonate, natural soda water also contains many trace elements, so it is a good drink.