Sometimes I pre-wash all the fabric for a quilt. Sometimes I don't.
I used to pre-wash everything. When I discovered Shout Color Catchers I stopped pre-washing most of the time. Since most of my quilts have many fabrics, this saves a lot of time. When I am ready to start a new quilt, I just pull the fabrics from my stash and get started.
This quilt was made in 2006 and has hung on my living room wall pretty much since then, other than when I was teaching it:
The other day I decided to replace it with something else and wash it. I was pretty sure I had not pre-washed the fabrics.
I always use at least one Shout Color Catcher when washing a quilt:
Since this quilt has a lot of red fabrics, I used two Color Catchers. Here is the result:
| White one is new out of the box, two red ones after washing the quilt |
After washing in the machine, I could see there was a bit of red staining on the back of the quilt but none on the front:

