Medley Hills Farm Alum Granulated Powder (Food Grade)

1 lb Packaged in Heat sealed Bag. Made in the USA. Traditionally called for in old pickle recipes. Store at room temperature for up to 1 year.. Alum powder / Crystals is often used to firm and crispen pickles by letting them soak in a sealed brine solution of water, vinegar, salt, spices, and alum powder for several weeks. Cucumbers should be pickled at the peak of freshness.