Where can I find Acid preserves in Krunkel?

Acid preserves can also be found in these cities:

Andernach Bad Honnef Dierdorf Dortmund Döttesfeld Hennef (Sieg) Hundsdorf Hünxe Linz am Rhein Neuwied Nickenich Oberdürenbach Oberhonnefeld-Gierend Peterslahr Remagen Urbach Waldbreitbach Weißenthurm

You can also find this in Krunkel:

Milk Baking Ingredients Beer Jam Vinegar Beef Spices Cocoa Normal Rolls