Where can I find Plaster in Merching?

Plaster can also be found in these cities:

Augsburg Bobingen Diedorf Friedberg Geltendorf Gessertshausen Kissing Königsbrunn Mammendorf Mering Neusäß Penzing Schwabmünchen Stadtbergen

You can also find this in Merching:

Milk Baking Ingredients Beer Jam Vinegar Beef Spices Cocoa Normal Rolls Acid Preserves