When marbling, use Alum to pre-treat fabric for clear transfer of designs. One cup of alum is dissolved in water along with four teaspoons of Calgon, to create a solution for submerging the fabric. Wring out the fabric without rinsing and allow to air dry before marbling.

Alum
Item No. Description List Sale Availability
JAC-CHM1006 1 lb. Bag $7.59 $6.83 In stock
JAC-CHM2006 5 lb. Bag $31.99 $28.79 In stock