I am very pleased with how well this product worked for cleaning spots, especially on white carpets. We have been living in a house for about a couple of years now and just left a spot in the master bedroom alone, now we are expecting a child we had to deep clean the carpets and the house in general. When I bought this product, I didn’t expect much from it. But I went over the spot a couple of times and it definitely pulled the brown spot up from the white carpet. You can use this product for a lot of different things, the other day my grandpa used it to clean his car seats and carpets in his car, making his car inside look brand new without spending a hefty money to get it detailed.