Categories Food, Groceries Kosher Foods
Categories Food, Groceries Spice & Seasoning
Frontier Natural Products, Alum Granules, 16 oz (453 g)
Alum is the chemical compound aluminum sulfite and is also referred to as ammonium aluminum sulfite or ammonium alum. Alum is used primarily as a pickling agent, to add crispness, or as a dye fixer (mordant).
Use in home pickling to add crispness. For recipes that call for powder, granules can be ground in a spice grinder.