Alum Mordant Solution for Tannin-Treated Plant Fiber

An alum mordant solution can be used on tannin-treated plant fiber before, after or during the dye process to create a brighter color.

Dyed Plant Fibers
For a quicker, more energy-efficient method of dyeing and mordanting, you can extract the dye and then add the mordant to the dye bath before adding your fiber.
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