Fizz-Keeper

A device used to preserve carbonation in soft drinks

Fizz-Keeper

The Fizz-Keeper is a device designed to maintain the carbonation in soft drinks after the bottle has been opened. It is typically used with plastic bottles and works by creating a seal that prevents the escape of carbon dioxide gas, which is responsible for the fizz in carbonated beverages.

A Fizz-Keeper attached to a plastic bottle

Design and Function

The Fizz-Keeper is usually made of plastic and consists of a cap that fits onto the top of a standard plastic bottle. It includes a pump mechanism that allows the user to manually pressurize the bottle by pumping air into it. This added pressure helps to keep the carbon dioxide dissolved in the liquid, thereby preserving the drink's carbonation.

The device is simple to use: after pouring a desired amount of the beverage, the user attaches the Fizz-Keeper to the bottle and pumps it several times. This process increases the internal pressure of the bottle, which helps to prevent the carbon dioxide from escaping.

Benefits

The primary benefit of using a Fizz-Keeper is the extension of the beverage's shelf life after opening. By maintaining carbonation, the drink retains its original taste and texture for a longer period. This can be particularly useful for individuals who consume soft drinks infrequently and wish to avoid waste.

Limitations

While the Fizz-Keeper can be effective in preserving carbonation, it is not a perfect solution. Over time, some gas may still escape, and the drink may eventually lose its fizz. Additionally, the device is only compatible with certain types of bottles, typically those made of plastic with a standard screw-top design.

Related pages

• Carbonation
• Soft drink
• Plastic bottle
• Carbon dioxide