I use 2 color catchers in the first wash after I make a quilt, and I use warm water. After that, I don't use color catchers, and I only wash in cold.
I used to prewash fabric all the time, before color catchers. I still will prewash backing fabric if it is a darker color.
Last edited by DawnV; 07-19-2019 at 12:56 PM.