Why add water to your whiskey? The science of aromas
Contrary to popular belief, adding a few drops of water is not an admission of weakness in the face of alcohol levels. It is a real chemical lever for releasing aromatic molecules.
The effect of “opening” the bouquet
Whiskey is a complex liquid that is rich in hydrophobic molecules (which leak water), such as esters and phenols. By adding a trickle of spring water:
1. You break the surface tension: The alcohol rises to the surface and carries the most volatile aromas with it.
2. You reduce the burn of ethanol: By slightly lowering the alcohol level, you allow your palate to detect subtle notes (flowers, fruits, spices) that were masked by the power of the spirit.
The expert's advice:
Choose spring water that is as neutral as possible. Avoid tap water whose chlorine will immediately alter the profile of your bottle.
Putting ice cubes in your whiskey: Why you need to be careful
While water is the taster's friend, the ice cube is a riskier partner.
1. Thermal shock: The cold anesthetizes the taste buds. At too low a temperature, you will no longer perceive the complexity of grain or barrel aging.
2. Uncontrolled dilution: By melting, the ice cube releases too much water, which ends up “drowning” the whiskey and causing it to lose all of its structure.
When should you put on ice cream?
Reserve ice cubes for entry-level blends, very light grain whiskeys, or for cocktail consumption. For a carefully selected Grand Cru, prefer granite or stainless steel whiskey stones if you absolutely want freshness without dilution.
How to properly dose water during a tasting?
To avoid ruining your glass, follow these steps:
- Step 1: Always try pure whiskey first. It is the encounter with the work of the distiller.
- Step 2: With a small spoon, add two or three drops of water
- Step 3: Swirl your glass slightly (such as a tulip glass) and smell again. You will find that the nose has become more “open” and less aggressive.
Whiskeys that benefit the most from adding water
Not all whiskeys react the same way. The addition of water is particularly recommended for:
- “Cask Strength” (Cask Bruts): Bottled at their natural level (often between 55% and 65%), they are designed to be lengthened according to individual taste.
- Peated whiskeys: A few drops of water can help bring out the medicinal or marine notes behind the dense smoke.
In summary: Pure or elongated?
The short answer: It's a matter of personal preference, but water wins the technical tasting match.
Finally, if you want to explore the full depth of a bottle, water is your best ally. If you are looking for a moment of relaxed freshness, ice cream is still an option, provided you assume the aromatic loss.
◊ Discover our selection of exceptional whiskeys
Do you want to put these tips into practice? Explore the Mähler-Besse winery.
From Scottish Single Malts to Swedish peated whiskeys, we only select spirits with an authentic character.


