Kraut Source Fermentation Lid Makes fermenting foods like sauerkraut, pickles, salsa, kimchi and more fun and easy. It fits on standard wide-mouth mason jars*, allowing you make pint, quart, or half-gallon sized batches depending on your needs. Specially designed to keep air out and fermenting fruits and veggies submerged in brine. Includes 1 FDA food-grade silicone gasket attached and 1 replacement gasket, instruction manual. *A mason jar is not included with this product. It&#039;s an airlock:<br> Keeps air out and allows for CO2 to safely escape. It&#039;s a weight:<br> The press and spring load keeps vegetables submerged below the brine, and will not fall into the jar or break.<br> (<span class="a-text-italic">No need to pay extra money for glass or ceramic weights, which can break or crack.</span>) It&#039;s stainless steel:<br> Will not react with salt or acid. Will not rust. It&#039;s built-to-last:<br> Durable and dishwasher-safe. It&#039;s well designed:<br> Functional and looks beautiful on your kitchen counter. Making other lacto-fermented vegetables such as pickles and kimchi is easy using Kraut Source.<br> It only takes a minimum of 6 - 7 days to properly ferment your ingredients at room temperature to ensure that healthy probiotics are present.<br> This is an economical and creative way to make your own superfoods at home.<br> Great way to preserve your garden harvests. Make fermented hot sauces, such as sriracha.<br> Turn ordinary salsas into a probiotic-rich<br> version by fermenting.<br> Use the fermented brine to make salad dressings, and marinades.<br> Ferment tomatoes with spices and make your very own healthy ketchup.<br> Culture up your cocktails with fermented ingredients.<br> Use seasonal herbs and spices.<br> <br> <br> <br> In addition to mason jars, Kraut Source also fits the Italian-made Bormioli Rocco Quattro Stagioni jars.<br> <br> You can also use Kraut Source to make probiotic-rich natural sodas.<br> <br> When you use Kraut Source, you are the artist making your own fermented edible art!<br> <br>