Photographers' Formulary 10g Ammonium Aluminum Sulfate Photographic Hardener

Key Features

• Achieve archival quality prints with Photographers' Formulary Ammonium Aluminum Sulfate.
• This photographic hardener ensures your black and white images last for generations.
• Use as an effective alum substitute; just 2 parts aluminum sulfate for every 3 of alum.
• Enhance image quality by hardening your prints and films with this easy-to-use solution.
• Our 10g pack of Ammonium Aluminum Sulfate is perfect for fine-tuning your darkroom process.
• Concentrated alum alternative helps protect your prints, increasing their shelf life.