Hosting a Champagne tasting at home doesn’t need much gear or a lecture. Keep...

https://ricardosultimatejournal.cavandoragh.org/do-dirty-glasses-really-kill-champagne-bubbles

Hosting a Champagne tasting at home doesn’t need much gear or a lecture. Keep bottles chilled to 8 to 10 °C, use tulip-shaped glasses, and pour small tastes so everyone can compare what they notice without rushing the evening.