How to Keep Soda From Going Flat

February 15, 2024

Soda is a popular choice for many people for its refreshing sensation and taste, but it can go flat quickly. The fizz in soda comes from carbon dioxide gas, and when the beverage goes flat it loses its flavor and effervescence. Fortunately, there are ways to keep your soda from going flat and re-inject the carbonation back into it.

The first step is a bit odd: removing the cap from the bottle or can and shaking it a bit (3-4 shakes should do). This allows the carbon dioxide to escape faster than it would otherwise, as the shaking mixes air in the empty space of the container with the liquid, causing bubbles that can easily escape the soda's surface tension, similar to how dust in the air helps snowflakes form.

After that, it's a matter of waiting for the bubbles to re-inject themselves into your drink. If you want to speed up the process, try adding ice to the bottle or can. Ice will help the soda stay fizzy by reducing the amount of time that it spends exposed to air, as it can remain colder longer than soda without ice.

The ice also has the added benefit of helping to chill your drink, which can make it even more enjoyable to drink. However, there's a downside to ice: it can cause your soda to go flat faster than if it were not chilled, as the ice causes the soda to become cloudy as it mixes with the bubbles in the liquid.

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