Where can I find Heavy duty detergent liquid in Obererbach bei Montabaur?

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

Altendiez Bad Ems Beselich Diez Hadamar Hundsdorf Höhn Limburg an der Lahn Montabaur Mudershausen Nassau Röthenbach Wallmerod (Westerwald) Winden (Rhein-Lahn-Kreis) Wirges

You can also find this in Obererbach bei Montabaur:

Edible Curd Grated Lemon Peel Flaxseed Bread Fruit Bar Pickled Vegetables Fresh Salt Schupfnudeln Whole Grain Rolls Mayonnaise