1. Wash the lemon, grapefruit, and lime and cut into slices, put the middle section into the cup, and squeeze some grapefruit juice into the cup;
2. Add zero calorie sugar and marinate for a while;
3. Pour some ice cubes;
4. Start making sparkling water: pour 400ml of cold water into the bubble machine;
5. Insert a bubble bomb at the bottom of the machine;
6. Fasten the bottom cover counterclockwise to the locked position and continue pumping until the gas cylinder is completely pumped;
7. Pour the sparkling water into the cup, and the soda water with perfect taste is ready.
Tips:If there is no zero-calorie sugar, it can be ignored. You can add other fruits according to your preference.
