I want to dye some cotton yarn I have, but it's on a cardboard tube. So do I need to make a ball of yarn and dye that, or can I just crochet the piece and dye that? Hola! pues yo si que he teñido algodón (por videos en Youtube en español).
He usado tintes iberia (en España se pueden conseguir en cualquier droguería) y no despinta con los lavados (si utilizas el fijador que trae y sal). También he teñido con curcuma y tuve que añadir sal y vinagre, y tampoco despinta (y deja colores brillantes).
Me gusta experimentar con distintos tipos de hilado (animal y vegetal), diferentes tintes y métodos. Definitely fiber reactive dyes - dyeing wool tends to be easier I think. Soaking a multiple ply yarn is a must. And I found out that for cotton it needs to be soaking for a much longer time than wool, for example.
I tend to soak only for a few minutes so basically even after letting the yarn sit in the dye bath for a few hours the center parts still carry the original color.
It is not too bad depending on the project and color as the white center with colored outer part gives it a bit of a "neon" vibe. But I find it much harder to get a more solid color.
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