When marbling, use Alum to pre-treat fabric for clear transfer of designs.
Pretreat Fabric - Alum powder is used to pretreat fabric or paper before marbling to ensure that designs transfer clearly. It is also used as a mordant with some natural dyes.
Alum Powder for Dyeing - Aluminum sulfate will help make any project a success!
Variety of Applications - Works with Carrageenan Powder: Can be used as an alum powder for flowers or even tanning and dyeing different products of your choice.
Alum Powder for Growing Crystals - This alum is made of fine crystals. Can even be used for science projects like growing your own crystal.