This PBW Tablet 40ct is a buffered alkaline detergent that is safe for use on stainless steel and plastics. It is the perfect detergent for breweries as it uses active oxygen to penetrate carbon and protein soils, even in hard water environments. It quickly and effectively breaks down the toughest of soils, leaving your brewing equipment sparkling clean. With its easy to use tablet form, this detergent is perfect for busy breweries looking for an efficient and effective cleaning solution.