Tackle dirt on busy carpeted areas of your home with 500ml Heavy Stain Pre-Treatment. It is perfect for carpets near hallways and doorways - which suffers the maximum build-up of dirt or grease over time. The soil-lifting cleaning action works by breaking the bonds of embedded dirt and grease, leaving your carpets looking clean and smelling fresh. It should be used before a deep clean using a specialist machine. Usage: Generously apply Heavy Stain Pre-Treatment onto heavily soiled areas. Let it rest for 5 to 10 minutes before cleaning with a Rug Doctor carpet cleaning machine. Note: Contains <5% phosphates, nonionic surfactants, lemon fragrance.