Canning jars are very affordable vessels for fermenting. They can easily be found at grocery and hardware stores. When fermenting it is important to keep the vegetables submerged. Ceramic and glass fermentation weights are available, or you can do something as simple as use a ceramic ramekin or a plate. When preparing any recipe that requires fermentation, it's important to use the freshest produce possible and to properly follow all instructions to avoid any risk of food safety.