Where can I find Heavy duty detergent liquid in Staig?

Heavy duty detergent liquid can also be found in these cities:

Babenhausen Blaubeuren Dietenheim Dornstadt Illertissen Laupheim Leipheim Nersingen Neu-Ulm Senden Ulm Vöhringen Weißenhorn Öpfingen

You can also find this in Staig:

Desserts Dessert Baking Mixes Cake Glaze Peanut Butter Ice Cream Rice Dishes Vegetable Juices Instant Iced Coffee Cheese Roll Canned Fish