Where can I find Baking soda in Ötzingen?

Baking soda can also be found in these cities:

Altendiez Bad Ems Bad Marienberg (Westerwald) Bendorf Dierdorf Diez Dortmund Döttesfeld Hachenburg Hadamar Hundsdorf Höhn Koblenz Lahnstein Limburg an der Lahn Montabaur Röthenbach Urbach Wallmerod (Westerwald) Wirges

You can also find this in Ötzingen:

Everything From Milk Baking Mixtures Cream Stiffener Spreads Savory Food For Diabetics Menus With Meat Fruit Spritzers Filter Coffee Baguette Roll Salt Sticks