
Bright, citrusy, and endlessly refreshing, this homemade sparkling water is the kind of drink that makes plain store-bought fizzy water feel like a missed opportunity. A quick grapefruit syrup ā made by gently warming sugar, water, fresh juice, and zest together ā gives the whole thing a vibrant, slightly floral depth that no bottled version can match. Because you're building the flavor from scratch with just fruit and sugar, there's zero sodium hiding in the mix, making it a genuinely clean sip from start to finish. The syrup steeps off the heat so the zest has time to fully infuse before you strain it out, leaving behind a smooth, golden concentrate that's as beautiful as it is delicious. Poured over ice and topped with chilled sparkling water, it stays beautifully bubbly as long as you keep your stirring gentle. A fresh grapefruit wedge on the rim turns it into something you'd happily serve at brunch or a summer gathering without a second thought.
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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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