
Bright, citrusy, and endlessly refreshing, this homemade sparkling water is the kind of drink that makes plain seltzer feel like a distant memory. A simple grapefruit syrup ā made by gently warming sugar, water, fresh juice, and zest together ā gives every glass a clean, tangy sweetness that no store-bought version can quite match. The syrup is strained before mixing, so you get pure, smooth flavor without any bitterness from the zest. Combining it with chilled sparkling water keeps the bubbles lively and the whole thing feeling light and effervescent. Every single ingredient here is naturally free of warm spices, so there's zero guesswork about what's hiding in a flavored syrup packet or bottled mixer. Serve it over ice with a fresh grapefruit wedge and it looks just as good as it tastes ā genuinely impressive for something this easy to pull together.
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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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