"FastServ Island Zyme contains powerful waste-digesting, bacteria-producing enzymes to break down organic material into water soluble nutrients. The bacteria digest the released nutrients, multiply and  continue producing enzymes to continually clean and deodorize areas where organic waste is present.  May be used to remove pet stain odors and other organic-based odors from carpeting, upholstery and  other fabrics. Contains 300 billion cfu per gallon of the following: bacillus subtilis, bacillus  amyloliquefaciens, bacillus licheniformis, bacillus megatherium and pseudomonad fluorescens. Optimal temperature range for maximum effectiveness is 54° F – 113° F;  effective up to 212° F.