Concentrated formula works quickly and completely to eliminate odors. 24-hour odor control. Can be used with included sprayer (quarts only) to spray around urinals, tables, sinks, etc, or diluted in mop water, carpet extractors, etc. Aerobic and anaerobic bacterial spores, high surfactant, and fragrance levels make it ideal for use on most odor problems from pet messes on carpet, smelly grout around urinals and toilets, sour milk in the dumpster, to foul-smelling drains. VOC compliant, water soluble, non-acid, non-caustic, non-flammable, water-based formulation.