See under Champagne bucket.
An optimum wine temperature also plays an important role when enjoying sparkling wine(cava, champagne, sparkling wine). A metal or glass container for storing the bottle at the table must be sized so that the majority of the bottle is surrounded by the water/ice mixture. Water and ice should be mixed in a 50:50 ratio. The water dissipates the heat within a short time. The ideal serving temperature for the sparkling...
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Egon Mark
Diplom-Sommelier, Weinakademiker und Weinberater, Volders (Österreich)