Photographers' Formulary 1lb Aluminum Sulfate Photographic Hardener

SKU: PYALSU1LB MFR: 10-0035 1LB
$8.95
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Key Features

  • Achieve optimal image quality with this 1lb of Photographers' Formulary Aluminum Sulfate.
  • Use as a hardener to improve your prints' archival properties for lasting results.
  • Mix easily to create custom solutions; substitute 2 parts for 3 parts alum.
  • Ensure chemical consistency in every batch with our high-quality Aluminum Sulfate.
  • Extend the shelf life of your prints using this reliable photographic hardener.
  • Perfect for darkroom enthusiasts needing a dependable black-and-white chemical.
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Special Order?Estimated to Ship: 09/08/2025

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Photographers' Formulary Aluminum Sulfate Specifications

  • Synonyms

    Concentrated alum
    Paper-maker's alum
    Sulfate of alumina

  • Appearance

    Colorless crystals

  • 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 . 18H2O

  • Weight

    1lbs (0.45kg)

About Photographers' Formulary Aluminum Sulfate

Make your photographic prints last longer with the Photographers' Formulary 1lb Aluminum Sulfate Photographic Hardener, an effective and professional-grade choice for photographers seeking to enhance the durability of their work. This high-quality, finely powdered hardener is a reliable substitute for traditional alum, offering a simple conversion ratio of 2 parts aluminum sulfate to 3 parts alum, ensuring a seamless integration into your photographic processing routine.

Crafted with the needs of serious photographers in mind, this versatile hardener is designed to reinforce photographic paper, providing it with the strength and resilience needed to withstand handling and display. The aluminum sulfate formulation is tailored specifically for photographic use, guaranteeing that you are using a product that is optimized for the best possible results in your prints.

The 1lb quantity of this durable hardener ensures that you have enough supply for numerous projects, making it a practical addition to any darkroom. Its stability under ordinary conditions of use and storage means you can rely on consistent performance over time. Whether you're a professional photographer or an enthusiast, the Photographers' Formulary Aluminum Sulfate Photographic Hardener is an indispensable tool for producing prints that stand the test of time.

Photographers' Formulary Aluminum Sulfate Features

  • Professional-grade Aluminum Sulfate Photographic Hardener for enhanced print durability
  • High-quality, finely powdered hardener, perfect for serious photographers
  • Versatile use, designed specifically for reinforcing photographic paper
  • Simple conversion ratio for use as an alum substitute, ensuring seamless integration into processing routines
  • Durable and stable under ordinary conditions of use and storage for consistent performance
  • Generous 1lb quantity, ideal for numerous photographic projects

Key Features

  • Achieve optimal image quality with this 1lb of Photographers' Formulary Aluminum Sulfate.
  • Use as a hardener to improve your prints' archival properties for lasting results.
  • Mix easily to create custom solutions; substitute 2 parts for 3 parts alum.
  • Ensure chemical consistency in every batch with our high-quality Aluminum Sulfate.
  • Extend the shelf life of your prints using this reliable photographic hardener.
  • Perfect for darkroom enthusiasts needing a dependable black-and-white chemical.