Why Should We Use Whiskey Stones Instead Of Ice
Whiskey Stones are ideal for drinking with high quality whiskey because
they keep it at the perfect sipping temperature (50 degrees), whereas
ice cubes can make the whiskey too cold and ruin the flavor.
A handful of ice will take a drink to just under 40 degrees, and
to deep freeze a drink quickly, there is nothing better. But some
drinks you neither want to dilute nor deep freeze. Temperatures in the
high 30s are far too cold for good whiskey. Reason being that the wood
oils in the whiskey, which have leached into the liquid from the
carefully selected cask it was aged in and which carry all the flavor,
tend to congeal and "close down" the flavor of the drink itself when the
temperature goes below 50. The stones are specifically designed to
"take the edge off without diluting or closing down the flavor."
Specifically, 3 stones in a glass containing 2-3 oz. will take the liquid temp from mid-70s (room temperature) to the 50s.
Not designed for use with a large volume of liquid.