Where can I find Baking soda in Selm?

Baking soda can also be found in these cities:

Ascheberg Bergkamen Bönen Castrop-Rauxel Datteln Dortmund Haltern am See Hamm Herne Kamen Lüdinghausen Lünen Nordkirchen Oer-Erkenschwick Recklinghausen Unna Waltrop Werne

You can also find this in Selm:

Edible Curd Grated Lemon Peel Flaxseed Bread Fruit Bar Pickled Vegetables Fresh Salt Schupfnudeln Whole Grain Rolls Mayonnaise