When a homeowner in Indianapolis called me about several pet stains in their hallway carpet, I could hear the frustration in their voice. They had tried every cleaner in their cabinet and nothing worked. The stains kept returning and the odor became more noticeable every time the weather changed. That is a common story for carpets dealing with repeated pet accidents. What looks like a surface stain is usually a deep contamination hiding under the carpet. They needed a guarant