Since 2003 the "Kartoffel-Kiste" is co-owner of the privat brewery Meierhof, the smallest brewery in Weserbergland/North Rhrine-Westphalia. It is an union of over 60 innkeepers, who want to keep the old brewery traditions alive and thereby get away from the massproduct industrial beer. Here hand-made natural and filtered beer speicialities made, following old recipies in accordance with the German reinheitsgebot from 1516. In Duisburg this brewery seeling only excists at "Kartoffel-Kiste". Since 2007 the beer specialities are brewed according to the strict EU-organic-principles. These "Bio-Beers" from the Meierhof Wirtebrauerei are not pasteurized and renounce any kind of artificial preservation.