Carrageenan Free Classic Grapefruit Sparkling Water

Bright, citrusy, and genuinely refreshing, this homemade sparkling grapefruit drink is the kind of thing you'll want to keep in the fridge all week. The secret is a quick grapefruit syrup made from real zest and freshly squeezed juice, which gives it a depth of flavor that no store-bought version can match. That's actually the whole point — commercial flavored sparkling waters and sodas often rely on stabilizers and thickeners like carrageenan to achieve their texture, and tracking those down on an ingredient label isn't always easy. Making your own means you know exactly what's in the glass: sugar, water, grapefruit, and bubbles. The syrup comes together in just one small saucepan, steeps until fragrant, and then gets strained clean before meeting the sparkling water. Poured over ice with a fresh grapefruit wedge, it looks and tastes like something from a nice restaurant — without any of the ingredient guesswork.

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