A powerful ready to use caustic drain opener and maintainer. This product will clear clogged drains of hair, paper, grease, oil and other organic matter. Works within minutes. Keeps drain lines open and thus reduces malodors generated by rancid material. The caustic chemicals convert grease-like matter from hard, insoluble material to soapy, water soluble material. May be used on vitreous china or porcelain. No fumes or offensive odor. For unclogging drains and pipes in restaurants, apartment buildings, water treatment plants, factories, hotels/motels, schools and offices.