400% more bacillus for better results. Does not contain harsh chemicals or solvents. Safely cleans clogged drains. This "people friendly" bacteria continues working long after application, ensuring a thorough cleaning that lasts. The perfect solution for grease traps, urinals, garbage compactors, recycle and waste bins, and anywhere else odors linger. This solution is superb for carpets, furniture, and other soft surfaces that trap odors.