Your mason jar's companion for making sauerkraut and other fermented foods in small batches! This lid keeps your ingredients under the brine with a built-in airlock for an optimal fermentation environment. All components are crafted from high-quality stainless steel that is dishwasher safe, non-reactive to salt or acid, and built to last. This fermentation lid includes a moat with an attached silicone gasket, press, spring, cap, and a replacement silicone gasket.

Note: A wide-mouth mason jar and ring (86 mm opening) are required for use with the Kraut Source Fermentation Lid.