Alum Powder

Alum Powder from Old Town Spice Shop is a food-grade pickling and canning aid that keeps pickles and preserved produce crisp. A traditional firming agent, it also helps maintain the color and texture of canned fruits and vegetables.

At a glance

• Type: Pickling and canning aid
• Use: Firming agent for pickles and preserves
• Benefits: Crispness and color preservation
• Grade: Food grade
• Best for: Home canning and pickling
• Vendor: Old Town Spice Shop

Best for

• Keeping pickles crisp
• Home canning projects
• Preserving fruit texture and color
• Brining and fermenting
• Stocking a canning pantry
• Gifts for home preservers

How to use

Add a small amount to pickling brines or canning recipes as directed to firm produce. A little goes a long way.

Flavor profile

Neutral and slightly astringent, used for texture rather than taste; use sparingly to avoid bitterness.

About Old Town Spice Shop

Old Town Spice Shop blends and sells single spices, seasonings, and pantry staples for everyday home cooking and preserving.

Made by Old Town Spice Shop, based in Fort Collins, Colorado.