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.
This powder is used to keep pickles crisp. Alum powder is added during the pickle curing process to ensure a crisp and crunchy pickle every time. Alum powder 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 because they will become soft after a few days. Use up to 1/4 teaspoon of alum per pint of solution. Made in the USA