Where can I find Baking soda in Geisig?

Baking soda can also be found in these cities:

Aarbergen Altendiez Bad Ems Bendorf Boppard Diez Koblenz Lahnstein Lautert Mudershausen Nassau Neuwied Schwall Waldesch Winden (Rhein-Lahn-Kreis)

You can also find this in Geisig:

Yogurt Pizza Flavors Honey Popsicle Meat Mineral Water Coffee Drinks Pretzel Cookies Canned Vegetables