Answer:
Alum(powder)
Water
Hot Iron(plantsa)
Explanation:
Mix 1 tablespoon of the powdery alum per one cup of water, and then thoroughly wet the surface of your paper. Lay the paper flat or hang it to dry. After the paper is dry (about one hour), you'll want to iron it—yes, using an actual hot iron to make sure it is as flat as possible for the marbling process
