
Bright, bubbly, and refreshingly tart, this homemade sparkling water is the kind of drink that makes you wonder why you ever reached for a can. The secret is a simple grapefruit syrup made by gently warming sugar, water, fresh juice, and zest together ā no boiling, just a slow dissolve that pulls every bit of flavor from the fruit. Once strained and stirred into chilled sparkling water, the result is clean and naturally flavored without any of the additives or preservatives that make store-bought versions tricky for people avoiding citric acid as an ingredient. Fresh grapefruit does all the heavy lifting here, so you know exactly what's going into your glass. Steeping the zest into the warm syrup adds a floral, slightly bitter depth that juice alone just can't deliver. It's endlessly refreshing over ice, and those optional grapefruit garnishes make it feel genuinely special without any extra effort.
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Learn more ā4 servings






Combine the sugar, water, grapefruit zest, and grapefruit juice in a small saucepan over medium heat, stirring until the sugar is fully dissolved, about 3ā4 minutes. Do not boil.
Remove from heat and let the syrup steep for 15ā20 minutes, until cooled to room temperature and the zest flavor has infused.
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