The "color" is excess dye coming off the fabric - the other fabrics that absorb it are then permanently dyed and it's almost impossible to remove.Originally Posted by ptquilts
I am very impressed with Color Catchers, but I only use them to wash new quilting fabrics. I don't use them in regular laundry. They are quite expensive, so I sort my laundry the old fashioned way to avoid color transfer.




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