Where can I find Baking soda in Affeltrangen?

Baking soda can also be found in these cities:

Aadorf Abtwil SG Amriswil Bauma Bischofszell Bronschhofen Bütschwil Constance Degersheim Elgg Flawil Frauenfeld Gossau Herisau Hittnau Kirchberg Kreuzlingen Matzingen Meersburg Müllheim Münchwilen Sirnach Steckborn Stein am Rhein Sulgen Turbenthal Tägerwilen Uzwil Weinfelden Wil Zuzwil

You can also find this in Affeltrangen:

Pudding Decorative Sugar Three-Grain Bread Cereals Delicatessen Sausage Spice Pastes Mashed Potatoes Raisin Roll Canned Sausage