Rambler Sparkling Water starts with reverse osmosis purified water which is then filtered through Texas limestone for their unique mineral blend. Crisp carbonation combined with potassium, magnesium, and calcium creates Rambler’s signature base flavor, no sodium required. New for the year 2024 is their Blackberry Sparkling Water; the perfect compliment to Texas porches. Refreshing dark fruit joins the already craveable Rambler Sparkling Water for a hydrating treat that can't be beat.