Those stains that are so impossible for you to remove at home generally occur in one of two ways: the substance that produced the stain gets embedded into the depths of the carpet or rug fibers. Sometimes the food, liquid, bodily excretions, or chemicals in nail polish, paint, markers or other stain producers that fall on or seeps into the carpet or rug, contain chemicals that interact with the carpet fibers, causing discoloration in that place on and in the carpet or rug.
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