Photographers' Formulary 100g Ammonium Aluminum Sulfate Photographic Hardener

SKU: PYAMOASU100G MFR: 10-0090 100G
$4.95
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Key Features

  • Achieve superior image quality with this 100g pack of Ammonium Aluminum Sulfate.
  • Extend your prints' archival properties; use as a photographic hardener for lasting results.
  • Fine-tune your darkroom chemicals; this sulfate enhances tonal range in black & white prints.
  • Enjoy a long shelf life; our Ammonium Aluminum Sulfate maintains effectiveness over time.
  • Control grain; this photographic hardener minimizes grain for sharper, clearer images.
  • Experience ease of use; simply mix this sulfate into your developer for optimal results.
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Special Order?Estimated to Ship: 09/12/2025

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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

    100g (3.53oz)

About Photographers' Formulary Photographic Hardener

Find unparalleled consistency in your photographic processing with the Photographers' Formulary 100g Ammonium Aluminum Sulfate Photographic Hardener. This professional-grade chemical is a pivotal component for photographers who demand high-quality and effective results in their print and film development.

Crafted for reliability, this durable hardener ensures that your photographs withstand the test of time, providing an extra layer of protection against the common issues of fading and discoloration. As a preferred alternative to traditional alum-based hardeners, this product offers a superior level of performance, ensuring that your prints maintain their crispness and detail.

The Ammonium Aluminum Sulfate Photographic Hardener is designed for seamless integration into your existing photographic processing routine. Its effectiveness is matched by its ease of use, making it a go-to choice for both seasoned professionals and passionate hobbyists alike.

By choosing this product from Adorama, you are not only investing in the longevity of your photographic works but also in the assurance that comes with using a product sourced from a trusted leader in the photography industry. Elevate your photographic preservation with the steadfast quality of the Photographers' Formulary 100g Ammonium Aluminum Sulfate Photographic Hardener.

Photographers' Formulary Photographic Hardener Features

  • Professional-grade Ammonium Aluminum Sulfate Photographic Hardener for high-quality photo processing
  • Durable and reliable, ensures photographs withstand the test of time
  • Provides protection against fading and discoloration of photographic prints
  • Superior alternative to traditional alum-based hardeners
  • Designed for easy integration into existing photographic processing routines

Key Features

  • Achieve superior image quality with this 100g pack of Ammonium Aluminum Sulfate.
  • Extend your prints' archival properties; use as a photographic hardener for lasting results.
  • Fine-tune your darkroom chemicals; this sulfate enhances tonal range in black & white prints.
  • Enjoy a long shelf life; our Ammonium Aluminum Sulfate maintains effectiveness over time.
  • Control grain; this photographic hardener minimizes grain for sharper, clearer images.
  • Experience ease of use; simply mix this sulfate into your developer for optimal results.