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I don't think we really understand what might make Zerorez superior to another type of carpet cleaning service in as far as the type of chemicals used, method of cleaning, etc. However, the technician (Matt) was very nice and helpful, as well as professional. Matt was on time for a late afternoon appointment (not always easy to do). We are pleased that company, and Matt, honored our request to come back out to take another shot at addressing some heavily soiled/trafficked areas in our den that did not come totally clean. The second effort (using higher pressure), did, indeed, improve the results, although what is apparently a wine stain on light colored carpet did not come up. Matt worked late to come back out to take care of us and remained positive and friendly the entire time. We are most satisfied.
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