Where can I find Acid preserves in Kuhardt?

Acid preserves can also be found in these cities:

Bornheim Bruchsal Forst Hagenbach Harthausen Insheim Karlsruhe Landau in der Pfalz Linkenheim-Hochstetten Neulußheim Oberhausen-Rheinhausen Philippsburg Rheinstetten Rülzheim Speyer Stutensee Waghäusel Walzbachtal

You can also find this in Kuhardt:

Milk Baking Ingredients Beer Jam Vinegar Beef Spices Cocoa Normal Rolls