Plastic Fermenter Bucket - 7.9 Gallons (30 L)A 30L (7. 9 gal) food grade plastic bucket. Ideal for all fermentations, but especially ideal for wine kits, beers that tend to have a high krausen (hefe) and any fermentation that is slightly too large for your 6 gallon pail. These buckets come molded with a threaded hole for a spigot to screw into. Our FE347 spigot threads in perfectly. Why Polypropylene? These buckets are made from polypropylene as it is less porous and significantly smoother than