I wash all my fabric and always have. I just use a dab of Woolite in the kitchen sink, fill with like colored fabrics, swish around a little bit, then rinse, rinse, rinse, until there is no more color in the water. Then I hand squeeze out excess water, lay on thick beach towels, roll up, and press as hard as I can to sock up more water into the towels. I've found this procedures gets out excess dye without generating too many thready strings to cut off. Then it is off to do the ironing. The biggest problem is waiting until the pile of fabric is so huge it then takes daaaayyyyysss to iron it all!!!!!!