Dave Sweeney of Sweeney Brothers Carpet & Restorative Cleaning explains the benefit presoaking with Knock Out by Centrum Force. Knock Out is not only used in the Centrum Force Wash Tub. It can be also used to prepare the rug for cleaning with the Ergin Rug Washing Machine.
https://www.centrumforce.com/products...
https://www.centrumforce.com/products...

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