How harsh are the “Harsh Chemicals” that your carpet cleaner uses? I heard and add today claiming a chemical free clean using some kind of super duper water. First lets all agree that nearly all manufactures of textile flooring require a “deep Clean” every year to a year and a half. You would find this documented in your warranty information when you buy your carpet. (Most of us never ask for it and as a result never read it. We trust our sales person.) Manufactures definition of deep clean is almost always hot water extraction. (Aka; steam clean) So let’s compare the average chemical used when Steam Cleaning to what’s in our food supply.