Here's how to save your leftover Champagne from losing its Dangle a spoon in the bottle. While some sources claim putting a spoon in a Champagne bottle doesn't do anything, others say it's a life-changing hack. Keep it cold. Use plastic wrap and rubber band. Use a hermetic cork. Buy good-quality Champagne.Dec 16, 2016
“If you're planning to enjoy your bottle of Champagne (or sparkling wine) within 3 to 4 days of the purchase, it is fine to store the bottle in the refrigerator,' Marie-Christine told Huffington Post. “But only keep it in the fridge for a few days, or else the bubbly will begin to change.”