Brew recipes of all grain or partial mash while saving time and preventing grain from spilling with the G. Francis | Boiling Bag 2-Pack. Each holds approximately 1 gallon of pulp or similar substance, and 20 full bags can comfortable fit inside a standard 5-gallon bucket. Fill your kettle with water and heat to strike water temperature (your recipe should specify a strike and sparge water temperature), allow grain to sit for recommended mashing time, lift to let bag drain and pour additional sparge water over bag to rinse remaining sugars out of grain (do not squeeze bag), then set bag and grain aside. This brew bag beer brewing bag 2-pack is also a great herb sack for teas, soups, and stews. Use it as a cold brew coffee filter, or secondary fermenting bag. Kettle not included. WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.