PBW Alkali Cleaner 4 lbs. | love2brew.com Homebrew Supply

PBW (Powdered Brewery Wash) is a popular cleaner used in commercial breweries. Only 1 to 2 ounces per gallon are needed for cleaning fermentors, kegs, tanks, and most other equipment. You may soak your equipment in the solution overnight to avoid having to scrub off your mess. PBW is an environmentally friendly, biodegradable product that will not damage rubber, metal, septic systems, and your skin.