1. Add concentrated lactic acid bacteria.
2. Cold chain grapefruit juice.
3. Pour straight drinking water.
4. Stir well.
5. Pour into the cup.
6. Add ice cubes.
7. Grapefruit slices stick to the wall.
8. Fill up with ice cubes.
9. Pour the four seasons spring tea soup.
10. Shake the finished picture of grapefruit lactic acid.
Tips:After the drink is out of the glass, let it stand for 30 seconds to 1 minute, and the taste is better.
