How do you set color in embroidery floss?
To set the color by prewashing: “Fill your bathroom sink half full with cold to tepid water with 2 Tablespoons of white vinegar and 2 Tablespoons of salt. [Soak your thread, one color at a time] in the basin for 1-2 minutes. Remove [the thread] from the sink, blot it with an old, clean towel, and allow it to dry.
What do the numbers on embroidery floss mean?
A graph adjacent to each color swatch tells you what thread lines the color is available in. For example, color number 3840 is available only as 6-strand floss, while color 800 is available as 6-strand floss as well as pearl cotton size 3, size 5, and size 8.