Where can I find Baking soda in Hürtgenwald?

Baking soda can also be found in these cities:

Aachen Aken Alsdorf Düren Eschweiler Herzogenrath Kreuzau Langerwehe Mechernich Monschau Nideggen Niederzier Nörvenich Roetgen Simmerath Stolberg Vettweiß Würselen Zülpich

You can also find this in Hürtgenwald:

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