Where can I find Baking soda in Langenthal?

Baking soda can also be found in these cities:

Aarau Balsthal Biberist Burgdorf Derendingen Egerkingen Egolzwil Gerlafingen Herzogenbuchsee Huttwil Kirchberg Lostorf Murgenthal Oensingen Oftringen Olten Reiden Rothrist Schöftland Schönenwerd Solothurn Unterentfelden Utzenstorf Zell Zofingen Zuchwil

You can also find this in Langenthal:

Cream Products Gelatine Crispbread Cornflakes Antipasti Fund Pepper Dumplings Sesame Roll Mayonnaise And More