Photographers' Formulary 100g Potassium Metabisulfite

Key Features

• Achieve optimal image quality with our 100g Potassium Metabisulfite solution.
• Extend the shelf life of your developer with this key darkroom chemical.
• Ensure archival properties in your prints using our potassium metabisulfite.
• Enjoy developer consistency by using Photographers' Formulary solution.
• Use as a preservative in developers; superior alternative to sodium sulfite.
• Acidify fixing baths easily with our high-quality potassium metabisulfite.