My black ran into my whites. It looked purple.
I used Synthrapol straight on the bled pieces and it came out!!! I don't wash it with hot water like it recommends, that makes me nervous.
Here is the site I ordered it from.
http://www.dharmatrading.com/html/eng/2127-AA.shtml
Now I use it when I wash my quilts for the first time to set the dye and keep it from running.