Biologically based treatment eliminates odors from carpets, animal & pet odors, grease traps, drain line maintenance. This drain / grease trap maintainer also digests organic wastes in drains & grease traps. For treating sluggish drains or grease traps, begin with a pint or quart & allow to stand for 30 minutes. Nontoxic, nonalkaline, phosphate-free, noncorrosive formula can also be used for carpet deodorizing. The liquid drain treatment / odor counteractant contains nonpathogenic bacteria (both aerobic & anerobic) to break down & liquefy solids such as fats, proteins, carbohydrates & grease. Recommended for use in hospitals, nursing homes, schools, prisons, apartments, funeral homes, kennels, clinics, industries, recreational vehicles, marinas, septic tanks, sump-pumps, wet wells & porta-toilets, Enviro Care Liqui-Bac remain 100 percent active until their work is done.