Fermentation Set 34oz Kilner RW 0025.083UThe 1 Litre Kilner Fermentation Jar Set provides the easy way to create smaller batches of your own delicious, fermented foods packed with vitamins, minerals and probiotic cultures. The wide neck opening on the jar allows for easy filling and decanting of the finished creation. The unique silicone duck beak shaped valve incorporated in the lid releases the gases that build up inside the jar during the fermentation process. However, the atmospheric air