Wish List. Crock for sauerkraut. Sauerkraut Crocks & Harsch Fermenting Crock Pots. Recipes to use with your Harsch crockpot In general, don't fill the crockpot all the way, since the cover stones and the carbon dioxide need room.
The crockpot should be filled to no higher than 4/5 its height. Pickl-It. Gartopf - Original HARSCH Fermentation Pot - Appliances. Product Notes: Stoneware Fermentation Crocks from Aviva are perfect for making sauerkraut, pickles and fermented vegetables.
The unique lid design fits into a specially designed gutter. When water is poured into the gutter, an air-tight water seal is created, preventing air from entering, while allowing gases produced through fermentation to escape.