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A fermentation crock, also known as a gärtopf crock or Harsch crock, is a crock for
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Cooking vessels Crock {{cooking-tool-stub
A fermentation crock, also known as a gärtopf crock or Harsch crock, is a crock for fermentation
Fermentation is a type of anaerobic metabolism which harnesses the redox potential of the reactants to make adenosine triphosphate (ATP) and organic end products. Organic molecules, such as glucose or other sugars, are catabolized and reduce ...
. It has a gutter in the rim which is then filled with water so that when the top is put on an airlock
An airlock is a room or compartment which permits passage between environments of differing atmospheric pressure or composition, while minimizing the changing of pressure or composition between the differing environments.
An airlock consist ...
is created, which prevents the food within from spoiling due to the development of surface mold
A mold () or mould () is one of the structures that certain fungus, fungi can form. The dust-like, colored appearance of molds is due to the formation of Spore#Fungi, spores containing Secondary metabolite#Fungal secondary metabolites, fungal ...
s. Ceramic weights may also be used to keep the fermenting food inside submerged. A fermentation tamper, a wide stick or dowel usually made of wood, may be used to pack food into the crock to keep it below the surface of the brine.
See also
*Sauerkraut
Sauerkraut (; , ) is finely cut raw cabbage that has been fermented by various lactic acid bacteria. It has a long shelf life and a distinctive sour flavor, both of which result from the lactic acid formed when the bacteria ferment the sugar ...
External links
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Cooking vessels Crock {{cooking-tool-stub