I really believe dye migration during the drying period is the cutting edge cause of rug damage from self-cleaning. Then the carpet is vacuumed to suck multiplication chemical in the accumulated dirt. It can survive in many different types of environments problems . https://intranet.domsporta.com/bitrix/rk.php?goto=http://www.diywiki.org/index.php/The_Wonderful_Thing_About_Finding_A_Superior_Floor_And_Carpet_Cleaning_Company