Where can I find Baking soda in Altstätten?

Baking soda can also be found in these cities:

Abtwil SG Altach Amriswil Appenzell Arbon Au Bregenz Diepoldsau Dornbirn Feldkirch Fußach Gemeinde Hörbranz Goldach Göfis Götzis Hard Heiden Herisau Hohenems Kennelbach Koblach Laterns Lauterach Lochau Lustenau Mäder Oberriet Rheineck Rorschach Sankt Margrethen Schlins Schnifis Schwarzach St. Gallen Sulz Teufen Thal Thüringen Weiler Wellheim Widnau Wittenbach Wolfurt Übersaxen

You can also find this in Altstätten:

Milk Baking Ingredients Beer Jam Vinegar Beef Spices Cocoa Normal Rolls Acid Preserves