The following links are to Vicki Welsh who dyes fabric and has some tried and true methods for treating fabrics which bleed … no bandaids required.
How to Properly Remove Excess Dye From A Quilt
(and prewash fabric to prevent the problem)
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My process for making sure my hand dyed fabrics are colorfast.
An update on my colorfastness post
Bleeding Quilts – Please Read This
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