This information was shared by Vicki Harris as part of the Lightbulb Night program in October 2018.
The key to removing unwanted colour from your quilt is to use lots of hot water, a dish detergent and long 12-hour soaks. Your bathtub is the perfect place! You want all the excess dye molecules to float into the water. Repeat the process until the rinse water is completely clear.
Vicki at Colorways by Vicki Welsh has been dyeing fabrics for more than 20 years and sells them on her website. She knows what she is talking about when it comes to fabrics bleeding. You can see her test results and download her recommendations on her website.