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When the brand was registered in 1956, Riegele at first was selling beer under the trademark. Since the 1970s, Spezi is produced and bottled by different local breweries under a franchising agreement. The first Original Spezi Cola Orange TV commercial aired in 1989.
Most large beverage manufacturers sell similar products, though most of them only in Germany, Austria and Switzerland. Examples are Schwip Schwap by PepsiCo or Mezzo Mix by the Coca-Cola Company though most grocery store chains sell generic brand versions of the drink as well, usually called "Cola-Mix". Many Germans prefer "Cola-Mix" over the original Spezi. The most popular "Cola-Mix" drinks are Bernadett Amigo, Pali, Wita, Frucade, FZ, Leikeim, Hubauer, Eizbach, and Peboni. The price range per half liter glass bottle is 1 € to 1.75 € depending on the version.
Riegele Spezi is sold mostly in half liter glass bottles, but 0.33 L and 1.5 L bottles are available as well. Spezi contains Water, glucose-fructose syrup, sugar, orange juice concentrate (2.3%), lemon juice from lemon juice concentrate (0.8%), carbon dioxide, caramel color, phosphoric acid and citric acid, natural flavoring, caffeine, citrus extract, locust bean gum (stabilizer). There are also different version, including a sugar free one.
- Brand register
- Philipp Vetter, "Spezi: Der bizarre Siegeszug der deutschen Brause", DIE WELT (in German), retrieved 2018-09-02
- Kurze Geschichte von Original Spezi ColaOrange und des Spezi
- "21 Cola-Mix-Sorten im Blindtest: Ein Favorit vorn, einer rauscht völlig ab". merkur.de (in German). 2016-11-15. Retrieved 2019-11-09.