This recipe is from Andrea White for treating fabric before putting it through an ink jet printer. Labels are designed on the printer then printed on the treated fabric.
Homemade Bubble Jet Set
2 Tbsp Alum
2.5 tsp. Washing Soda
0.5 tsp. Liquid fabric softener
Mix above ingredients together in a large bowl, then add 1 cup of hot water. The mixture will foam up initially. Stir it until it has a thick, shiny consistency, then soak your 100% cotton fabric in the solution for 15 minutes. Wring it out over the bowl, then dry on a line or in the dryer. Save any remaining solution in a jar until you need more!