Photographers' Formulary 10g Ammonium Aluminum Sulfate Photographic Hardener

SKU: PYAMOASU10G MFR: 10-0090 10G
$3.95
Earn VIP Reward Points

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.
See More Product Details
Special Order?Estimated to Ship: 09/11/2025

Need help? Ask our experts.

Overview
Compare
Specs
Q&A

Questions & Answers

Reviews about this item

Review Summary

Photographers' Formulary Photographic Hardener Specifications

  • Synonyms

    Concentrated alum
    Paper-maker's alum
    Sulfate of alumina

  • Appearance

    Pale green to white in color and is available in powdered and granular forms

  • Uses

    Can be used as a substitute for alum as a hardener (ratio = 2 parts aluminum sulfate as a substitute for 3 parts alum)

  • Chemical Formula

    Al2(SO4)3 . 14H2O

  • Weight

    10g (0.35oz)

About Photographers' Formulary Photographic Hardener

How can you enhance the longevity of your photographic prints The Photographers' Formulary Ammonium Aluminum Sulfate, a high-quality photographic hardener, is your answer. This 10g pack of Ammonium Aluminum Sulfate is specifically designed to serve as an effective substitute for alum, a commonly used hardening agent in the world of photography.

Ideal for both professional photographers and hobbyists, this product plays a crucial role in the photographic development process. It works by reinforcing the gelatin layer on photographic paper, thereby increasing its resistance to physical and chemical wear. This ensures that your cherished photographs maintain their quality and vibrancy over time.

Incorporating this Ammonium Aluminum Sulfate hardener into your photographic processing routine can help you achieve more durable and long-lasting prints. Whether you're working in a darkroom or a professional photo lab, this product is a valuable addition to your photography supplies.

Remember, the Photographers' Formulary Ammonium Aluminum Sulfate is not just a hardener, it's a tool to preserve your precious memories captured in print. So, make it a part of your photographic journey and experience the difference in the durability of your prints.

Photographers' Formulary Photographic Hardener Features

  • High-quality 10g Ammonium Aluminum Sulfate photographic hardener
  • Designed as an effective substitute for alum in photographic development
  • Enhances the durability and longevity of photographic prints
  • Reinforces the gelatin layer on photographic paper for increased resistance
  • Ideal for both professional photographers and hobbyists
  • Suitable for use in darkrooms and professional photo labs

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.