Boleslawiec Polish Pottery Fermenting Crock Pot

The rim of the crock is designed as a deep channel that you fill with water. When you place the lid into this channel, it creates an airtight seal that allows fermentation gases to escape while preventing oxygen from entering, which is essential for successful, mold-free fermentation.

Yes, the stones are crucial for keeping your vegetables fully submerged beneath the brine. Keeping the produce submerged is the most effective way to prevent surface mold and ensure the lactic acid fermentation process happens correctly.

Absolutely. The crock is made from vitrified clay with a lead-free glaze, making it completely food-safe and non-reactive. It is designed specifically to handle the acidic environment of fermenting vegetables over long periods.

This model has a 5-liter capacity. It is a versatile size that is large enough to handle a substantial batch of sauerkraut or kimchi, yet compact enough to fit on most standard kitchen countertops or pantry shelves.

Because of the handcrafted nature of the vitrified clay and glaze, we recommend hand-washing with warm water and a mild, non-abrasive soap. Avoid harsh chemicals or the dishwasher to preserve the integrity of the finish and the water-seal rim.

Yes, the set includes an instructional flyer to help you get started with your first batch. It covers the basics of the fermentation process and how to properly set up the water seal.