You can make your own.
1, sweet soda: prepare an empty mineral water bottle, put a small spoon of edible baking soda 2-3 grams plus the right amount of honeycomb, rock sugar (according to their own needs to add), poured into 500ml of cold water, can also be used in mineral water and pure water, sealed and shaken well.
2, fruit-flavored soda: 3 grams of edible baking soda, lemon juice (can also be used watermelon, strawberries, peach and other favorite fruit juice), 500ml of water, into the empty mineral water bottle and shake well.
3, floral tea soda: the cleaned roses, 2 grams of baking soda and water together into an empty water bottle and then shaken into the refrigerator.
4, original soda: 3 grams of baking soda and 500ml of water poured into an empty water bottle, then add a small amount of edible citric acid or white vinegar, sealed and shaken well.
Soda is an aqueous solution of sodium bicarbonate, which can be formed naturally or artificially generated with weak alkaline effervescent tablets, soda effervescent tablets, and machines. Soda contains a weak alkalinity and is medically used externally to disinfect and sterilize.
Soda water is an aqueous solution of sodium bicarbonate (commonly known as baking soda), also known as weakly alkaline water, in which sodium bicarbonate can neutralize gastric acid, strengthen intestinal absorption, and strengthen the stomach. Safe production of soda water is beneficial to health