Photographers' Formulary 1lbs Potassium Metabisulfite

Key Features

• Achieve consistent mixing with our high-quality Potassium Metabisulfite for reliable results.
• Extend developer life! Use as a preservative in your black and white film developers.
• Get archival prints! Acidify your fixing baths with Potassium Metabisulfite easily.
• A versatile darkroom chemical, use in place of sodium sulfite in select developers.
• Ensure image quality; our Potassium Metabisulfite helps maintain developer effectiveness.
• Easy to use crystalline powder; this Potassium Metabisulfite dissolves quickly and cleanly.