Where can I find Baking soda in Rünenberg?

Baking soda can also be found in these cities:

Aarau Arlesheim Bad Säckingen Balsthal Basel Birsfelden Bubendorf Buchs Egerkingen Erlinsbach Frick Füllinsdorf Gelterkinden Grenzach-Wyhlen Gränichen Liestal Lostorf Lörrach Murgenthal Muttenz Möhlin Oensingen Oftringen Olten Pratteln Rheinfelden Rheinfelden (Baden) Riehen Rothrist Schöftland Schönenwerd Sissach Stein Suhr Unterentfelden Weil am Rhein Zofingen

You can also find this in Rünenberg:

Desserts Dessert Baking Mixes Cake Glaze Peanut Butter Ice Cream Rice Dishes Vegetable Juices Instant Iced Coffee Cheese Roll Canned Fish