Tonic Water
Tonic water is a carbonated soft drink flavoured with quinine, giving it a distinctive bitter edge beneath its sweetness that sets it apart from plain soda water. That bitterness makes it a natural partner for botanical spirits. It is best known as the classic partner to gin.
Common uses
- tops off gin or vodka highballs
Buying & storage
Months once opened: Keeps for months once opened, but it does change. Nothing urgent; worth finishing within a season.
Buying: Small bottles over large ones — the last third of a two-litre bottle is flat, and carbonation is half of what you are buying. Slimline versions cut sugar but taste noticeably thinner under a botanical spirit.
Storage: best used soon after opening, as carbonation fades quickly
In depth
Understanding tonic water
How it is made, where it comes from, what it pairs with, and how it behaves in an alcohol-free drink.
How it's made
Carbonated water with quinine — originally an anti-malarial preparation, which is why the bitterness is there at all — plus sugar or sweetener to make it drinkable. Quinine is what makes tonic fluoresce blue under ultraviolet light, and the quantity in a modern tonic is a flavouring dose rather than a medicinal one.
Origin
Developed by British colonists in India, originally to make bitter quinine more palatable.
What it pairs with
Gin and botanical alcohol-free spirits above all, then citrus, cucumber, elderflower and espresso. Its sweetness means a tonic-based drink rarely needs any added sugar.
In alcohol-free drinks
- The most useful single ingredient in alcohol-free drink-making: quinine bitterness and carbonation at once, covering two of the five jobs alcohol does
- Turns a plain alcohol-free spirit into a genuinely good drink where soda leaves it thin
- The safe, non-alcoholic route to a 'glowing' drink under blacklight — no special ingredient needed
Recipes
Cocktails containing this ingredient
Garden Highball
Alcohol-free botanical spirit, tonic, cucumber and mint — a crisp, herbal highball for the garden.
Stand-in
Where tonic water is a recommended substitute
Recipes that name it as a swap for something else, with what it replaces.
- Alcohol-Free Spritzin place of soda water
- Gin Fizzin place of soda water
- Ranch Waterin place of sparkling mineral water
- Wine Spritzerin place of soda water
- Cucumber Mint Coolerin place of soda water
- Vodka Sodain place of soda water
Swap it
Possible substitutions
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