Experiments in Natural Dyeing: Turmeric Posted on June 16, 2013 by AnneMarie_deGarmeaulx Linen Cotton Click thumbnails for large images. Mordant Dye 1 Tbsp Pickling Alum 1 Tbsp Cream of Tartar 1/2 gallon tap water 25g (1 oz) ground turmeric Heat to light boil. Add mordant and fibers. Simmer 1/2 hour. Allow fibers to cool in dye-bath. Rinse. Share this:SharePinterestFacebookTumblrTwitterLike this:Like Loading...