Is glass water effervescent tablet antifreeze?

Anti-freezing glass water effervescent tablet is a kind of product used for automobile anti-freezing, and its main components are ethylene glycol and water. Ethylene glycol is an antifreeze, which can lower the freezing point of water and prevent the automobile cooling system from freezing and damaging in cold weather. Glass water effervescent tablets already contain enough antifreeze to ensure the normal operation of cars in cold weather. Therefore, there is no need to add other antifreeze.