Maintaining champagne is an art that tantalizes all wine lovers. One should know the proper ways of protecting the tastes and keeping the fizz that sets champagne apart.

One method often recommended is utilizing a 'bouchon conservation', a specialized tool designed to keep champagne. The 'bouchon' works by making an airtight seal, avoiding the gas from leaving, thus maintaining the bubbles and flavors that are so characteristic of champagne.

An important factor to keep in mind when storing champagne is the conservation champagne ouvert 'temps conservation' or the duration of keeping. Like all wines, champagne is a product of Mother Nature and is vulnerable to changes from its environment. Ideally, champagne should be consumed immediately after opening, but if that's not plausible, it’s important to know how to keep its taste and fizz.

Storing champagne in the refrigerator, or 'conservation champagne frigo', is another possible method. Though, too long in a cold environment can affect the wine's quality. The fridge need to be set at a moderate temperature for the champagne to preserve its taste and sparkle.

The 'garde du champagne' or maintaining the champagne requires utmost care. Both of the temperature and humidity is crucial in preserving the champagne's properties.

When it comes to the temperature of 'conservation champagne', the ideal temperature is generally somewhat chilled, around 7 to 9 degrees Celsius. Too high or too low temperatures can alter the taste.

The 'durée de conservation champagne' or the duration of preserving champagne can extend from several days to years, depending on the quality of the champagne. However, once the bottle is opened, the duration decreases significantly.

For 'conservation champagne ouvert' or opened champagne, it is best consumed in 3-5 days of opening to maximize its taste and fizz. After that, the champagne starts to lose its characteristics.

Finally, the use of a 'bouchon pour conserver champagne' or a champagne stopper is an necessary tool for preserving champagne. This device is created specifically to match champagne bottles and aid to maintain the fizz and taste.

So, whether you're a beginner or a seasoned champagne lover, knowing the correct methods of champagne preservation can enhance your drinking experience substantially.