Star San is an easy to use, effective, high foaming, acid-based sanitizer. Designed to sterilize all your brewing equipment and supplies with a contact time of a minute. In addition, this sanitizer is odorless, tasteless, and safe. As a high foamer, it’s foaming action ensures coverage and contact time in larger vessels and better penetration into nooks and crannies. Any leftover foam in your brew bucket, carboy, or keg will not effect your beer, wine, mead, and most importantly, you.