| Clue | Source | Date |
|---|---|---|
| Certain drink mixer | New York Times | 23 Sep 2023 |
| Bubbly beverage added to cocktails | Newsday | 05 Aug 2019 |
| It may be natural | USA Today | 01 Sep 2018 |
| It may be natural | ||
| Mixer, often | USA Today | 07 Sep 2015 |
| Mixer, often | ||
| Seltzer | ||
| Perrier or Pellegrino, e.g. | ||
| Perrier or Pellegrino | ||
| Mixer |