How to make sure fabrics are colorfast:
I just came across a very good article written by a woman who dyes a lot of her own fabrics. She did some research and found the best way to prevent the dyes in ANY fabric from running is to let them sit in a lot of water for at least 12 hours. You can read her article here:
http://vickiwelsh.typepad.com/field_...d-fabrics.html