Not only can pet stains ruin the appearance of your carpet, it could also leave a stench of odor that can ruin the fresh scents of air of you home. This can be eliminated by using a safe Enzyme cleaners to break down molecules that are organic materials found in urine and feces. Where in most cases the Enzyme will remove most pet stains even before the carpet steam cleaning process begin. But even more so leaving your living spaces with a fresh scents.