About the DeKuyper Blue Curaçao A DeKuyper Blue Curaçao is orange liqueur from Netherlands.It has an ABV (alcohol-by-volume) percentage of 15%, or said another way, DeKuyper Blue Curaçao is 30 proof.A 750 ml bottle of DeKuyper Blue Curaçao tends to sell for around USD, but your actual cost may vary depending on your local market conditions (this price was last verified in 2016). usSoTZ.

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