Photographers' Formulary 10lbs Sodium Bisulfite

SKU: PYSBISI10LB MFR: 10-1177 10LB
$49.95
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Key Features

  • Achieve consistent results using this 10lbs of Photographers' Formulary Sodium Bisulfite.
  • Use as a preservative for pyro developer to ensure archival quality in your photos.
  • Effectively acidulate and preserve fixing baths with our high-quality sodium bisulfite.
  • This white, crystalline powder ensures fine grain in your black and white darkroom prints.
  • Enjoy a long shelf-life when properly storing this essential darkroom chemical.
  • Easy to use for consistent results, ideal for both beginners and experienced photographers.
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Special Order?Estimated to Ship: 09/06/2025

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Photographers' Formulary Sodium Bisulfite Specifications

  • Synonyms

    Acid sulfite of soda
    Leucogen
    Sodium acid sulfite
    Sulfurous acid, monosodium salt
    Sodium hydrogen sulfite, solid

  • Appearance

    White, crystalline powder
    Slight odor of sulfur dioxide

  • Uses

    In acidulating and preserving fixing baths
    As a preservative for pyro developer

  • Chemical Formula

    A mixture of NaHSO3 (sodium bisulfite) and Na2S2O5 (sodium metabisulfite)

  • Weight

    10lbs (4.54kg)

About Photographers' Formulary Sodium Bisulfite

How can you enhance your photographic development process With Photographers' Formulary's 10lbs Sodium Bisulfite, you can achieve professional-grade results in black and white film development. This high-quality, reliable, and durable product is specifically designed for use in acidulating and preserving fixing baths, ensuring your images maintain their clarity and quality over time.

Notably, Sodium Bisulfite serves as an effective preservative for pyro developer, extending its usability and enhancing its performance. This product's versatility is further highlighted by its ability to be substituted weight for weight with sodium metabisulfite, providing flexibility in your photographic processes.

Unlike many alternatives, this Sodium Bisulfite is highly soluble in water, ensuring easy integration into your development process. However, it remains insoluble in alcohol, maintaining its integrity and effectiveness.

Choose Photographers' Formulary's 10lbs Sodium Bisulfite for a superior, professional, and effective solution in your black and white film development process.

Photographers' Formulary Sodium Bisulfite Features

  • Professional-grade Sodium Bisulfite for black and white film development
  • Ideal for acidulating and preserving fixing baths
  • Effective preservative for pyro developer
  • Easily substitutable with sodium metabisulfite for process flexibility
  • Highly soluble in water for convenient use
  • Insoluble in alcohol, ensuring product stability

Key Features

  • Achieve consistent results using this 10lbs of Photographers' Formulary Sodium Bisulfite.
  • Use as a preservative for pyro developer to ensure archival quality in your photos.
  • Effectively acidulate and preserve fixing baths with our high-quality sodium bisulfite.
  • This white, crystalline powder ensures fine grain in your black and white darkroom prints.
  • Enjoy a long shelf-life when properly storing this essential darkroom chemical.
  • Easy to use for consistent results, ideal for both beginners and experienced photographers.