Where can I find Baking soda in Rossatz?

Baking soda can also be found in these cities:

Gansbach Gföhleramt Herzogenburg Krems on the Danube Langenlois Lengenfeld Mautern an der Donau Paudorf Sankt Pölten Sattledt Spitz Traismauer Weinzierl am Walde Weißenkirchen in der Wachau

You can also find this in Rossatz:

Sausage Packed Rocket Vanilla Sugar Jelly Popsicle Meat Coffee Drinks Normal Rolls Acid Preserves Vegetable Oil