For ferretone stains try Diane's Wonderful Weasel Laundry Soap. You can get order it on her website for South Shore Ferret Care and at the same time, help a shelter. Here is the link to her page for the soap: http://www.southshoreferretcare.org/ or on ebay through this link http://shop.ebay.com/southshoreferretcare/m.html Eleanor, Donald and the weasels [Posted in FML 6805]