Originally Posted by
PamelaOry
I’ve just been winding bobbins from the same thread I’m using on top, usually aurifil 50wt. Is that bad? For piecing should I be using a dedicated bobbin thread?
No it isn't bad. I primarily use the bottom line because it is less expensive than aurifil (which I use in the top), poly threads don't make near as much lint as cotton and I can get a lot of thread on the bobbin.