Narsen Set of 4 Lead Free Crystal Glass Fermentation WeightsSauerkraut Fermentation Preservation and Pickling Fits ANY WIDE MOUTH MASON JAR

These Glass fermentation weights is their weight! 6.0 ounces, the greatest weight of all ones you can buy. they are heavy enough to hold active sauerkraut below the brine,allowing for complete coverage of your ferment. Lead-free, food-grade, non-glazed.Designed for use in wide-mouth canning jars as well as.They are also nice shape ,without any sharp edge. The weights are made of crystal glass, and are used to either press down on veggies (like sour krout), to press air pocket out of it over time, or to keep veggies submerged under the brine. Some veggies will float, and others will become buoyant after gas bubbles cling to them. The weight will keep them submerged under the brine, where they belong.