Jacquard Products Jacquard Alum, 1-Pound
JACQUARD PRODUCTS-Alum. Make your project a success with aluminum sulfate. Alum is a powdered presoak used to treat fabric or for marbling. It ensures that designs transfer clearly to fabric or paper surfaces. Alum is also used with some natural dyes as a mordant. This package contains one pound of aluminum sulfate. Made in USA.