Alum is needed for mordanting paper or fabric before marbling. Works for other dyeing processes like plant dyeing fabric.
Weight sold In quantities of 100 grams. Choose 2 units if you need 200 grams etc!
Use for paper marbling: dissolve 9 grams of alum in 100 grams of fresh boiled, preferably filtered water. If you need more instructions, please seek out a marbling course held by professionals.
