Thanks for all your help. The blogs by Vicki Welsh were especially helpful. I continued with the Synthapol and even put a few like colors together. The color catchers were saturated, but the scraps of white fabric had no dye on them. The red included. I don't think I am going to sew the quilt right now--too many UFO's. But I am confident that the colors are now set. I think I will use a couple of color catchers in the final wash when the quilt is finished. I may even use Retayne in the final wash. I'll have to think about that since it needs cold water after treatment. Thanks again.
Sue