Hosting a Champagne tasting at home doesn’t need special gear or a long guest...

https://wiki-quicky.win/index.php/Best_Place_to_Store_Champagne_If_You_Do_Not_Have_a_Cellar

Hosting a Champagne tasting at home doesn’t need special gear or a long guest list. Chill bottles to 8–10°C, pour modest measures, and give each wine a moment before moving on