Troubleshooter Ultra is a more advanced 4-in-1 formula designed to eliminate the toughest, deep down stains such as tea, red wine, juice and mud. The unique, simple to use, foam spray not only eliminates tough stains, but also neturalises odours, prevents re-staining and has a built in fabric conditioner to care for your carpet. When using Troubleshooter Ultra do not over scrub carpet in one area and do not over wet. The product contains no bleaching agents or aggressive solvents and is completely safe to use on all types of carpets including wool. And what's more it's Woolsafe Approved.