I found instructions to make natural dyes from veggies and fruits, but before dyeing it calls for mixing up cream of tartar and potassium alum to make the dye set. I went to a craft store and all they had was urea and soda ash. I googled potassium alum and couldn't find anywhere to buy it. Does anyone know if the soda ash would work just as well to set the dye?
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12/5/06 at 9:40pm