Where can I find Acid preserves in Arth?

Acid preserves can also be found in these cities:

Baar Buchrain Buochs Cham Ebikon Einsiedeln Emmen Goldau Horw Ibach SZ Ingenbohl Kriens Küssnacht Lucerne Richterswil Rotkreuz ZG Stans Steinhausen Stäfa Unterägeri Urswil Wädenswil Zug

You can also find this in Arth:

Instant Cappucino Breakfast Croissants Canned Food Fruit Fresh Pesto White Bread Sliced Canned Soups Frozen Products Rosé AAA (Micro) Batteries