Where can I find Baking soda in Wassenach?

Baking soda can also be found in these cities:

Andernach Bad Neuenahr-Ahrweiler Hünxe Kobern-Gondorf Koblenz Linz am Rhein Mülheim-Kärlich Neuwied Nickenich Oberdürenbach Oberhonnefeld-Gierend Plaidt Remagen Sinzig Waldbreitbach Waldesch Weißenthurm

You can also find this in Wassenach:

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