What is the difference between tonic water and soda water?
Tonic water contains quinine, which makes it bitter, and is usually sweetened; soda water is plain carbonated water, often with added minerals, and has no sugar. In the US, quinine in carbonated drinks is capped at 83 ppm and the label must declare it. Tonic suits a gin and tonic; soda water suits a highball or spritzer.
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What is the difference between tonic water and soda water?
Soda water (also sold as club soda or seltzer, names that vary by brand and country) is water with carbon dioxide dissolved in it, and some brands add minerals for taste. Tonic water is also fizzy, but it contains quinine, a bitter flavoring, and is normally sweetened. That is why tonic tastes bitter and sweet while soda water tastes of almost nothing.
| Tonic water | Soda water | |
|---|---|---|
| Flavor | Bitter and sweet | Neutral, slightly salty or mineral |
| Sugar | Usually yes (diet versions use sweeteners) | No |
| Quinine | Yes | No |
| Typical use | Gin and tonic | Whisky highball, spritzers |
How much quinine is allowed?
US food rules allow quinine as a flavor in carbonated beverages up to 83 parts per million, and the label must declare that quinine is present, either in the product name or in a separate statement (21 CFR 172.575). Other countries set their own limits, so check the label where you live.
Does tonic water have more sugar and calories?
Regular tonic is a sweetened soft drink, so it has sugar and calories, while plain soda water has none from sugar. Amounts differ by brand and bottle size, so read the nutrition panel. Diet or light tonics use sweeteners instead of sugar.
Can you swap one for the other?
- In a gin and tonic: soda water gives a fizzy, much drier drink without the bitter edge. Add citrus if you try it.
- In a highball: tonic adds sweetness and bitterness that many people do not want with whisky.
- Plain drinking: soda water is the better thirst drink; tonic is closer to a soft drink.
Is tonic water medicine?
No. Quinine is also used in some medicines, but the amount allowed in a drink is small and tonic water is a soft drink, not a treatment. If you take quinine medication, are pregnant or are allergic to quinine, ask a doctor or pharmacist before drinking tonic regularly.
This is general information, not medical advice.
People also ask
Is tonic water the same as soda water?
No. Tonic water contains quinine and usually sugar. Soda water is carbonated water, sometimes with minerals added, and has no sugar.
Does soda water contain quinine?
No. Quinine is what gives tonic its bitter taste.
How much quinine can tonic water contain?
In the US the limit is 83 ppm in carbonated beverages, and the label must declare quinine (21 CFR 172.575).
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