Professional rug cleaning service has to include pre-testing of the rug for colourfastness. Every rug cleaner London wide should do a test before he actually cleans the rug. Usually the marks and stains are easily removable, but has to be treated accordingly. The rugs are first inspected and this is usually done at the beginning. The next step is removing the dust by thoroughly vacuuming the rug. The dying tests are done after than the actual cleaning following by the drying.