Most natural dyes need both a plant extract and a mineral mordant to make a permanent colour.
Mordanting your fiber material:
alum: Divide the weight of the material to dye BY FOUR. Weight out that much alum mordant. A scant two tablespoons equals one ounce of alum. Add the alum to the pot, and almost fill with warm water.
other mordants: ½ oz (two teaspoons) per pound fiber for tin, chrome, iron and copper.
Salt Fixative (for berry dyes) 1/2 cup salt to 8 cups cold water
Plant Fixatives (for plant dyes) 4 parts cold water to 1 part vinegar
Add fabric to the fixative and simmer for an hour. Rinse the material and squeeze out excess. Rinse in cool water until water runs clear.
Dye Bath: Place wet fabric in dye bath. Simmer together until desired color is obtained. The color of the fabric will be lighter when its dry. Also note that all dyed fabric should be laundered in cold water and separately.
Muslin, silk, cotton and wool work best for natural dyes and the lighter the fabric in color, the better. White or pastel colors work the best.
Examples of dye belong tokyo.cool.ne.jp
Chamomile (dry) 15 g approx
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