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Review Summary
2019-11-27T07:23:14
It’s a chemical widely available. Adorama had the best price once shipping was included.
Raphael W.
Metabisulfite of potash
Potassium pyrosulfite
pyrosulfurous acid, dipotassium salt
Disulfurous acid, dipotassium salt
Potassium disulfite
Transparent needle crystals or crystalline powder
Odor of sulfur dioxide
As a preservative in developers
Used in place of sodium sulfite in some developers
Used for acidifying fixing baths
K2S2O5
1lbs (0.45kg)
675152105035
Good Source for Alt Process Chemicals
By Raphael W.
It’s a chemical widely available. Adorama had the best price once shipping was included.
Explore the world of photography with our 1lb Potassium Metabisulfite from Photographers' Formulary. This high-quality, professional-grade chemical is a crucial component in the photographic development process, acting as an effective preservative in developers.
Often used as a reliable alternative to sodium sulfite, Potassium Metabisulfite provides the same weight-for-weight replacement, ensuring consistency in your photographic results. It's also commonly used for acidifying fixing baths, further enhancing its versatility in the darkroom.
This durable chemical is designed to withstand the rigors of the development process, providing reliable and consistent results every time. However, please note that it deteriorates rapidly in air, so proper storage is essential to maintain its effectiveness.
Whether you're a professional photographer or a hobbyist, our 1lb Potassium Metabisulfite is an essential addition to your photography toolkit. It's not only effective in black and white photography but also plays a significant role in color photography.
Experience the convenience of purchasing in bulk and enjoy the assurance of using a product from a reputable brand known for its high-quality photography chemicals. With our 1lb Potassium Metabisulfite, you can focus on capturing stunning images, knowing that you have a reliable developer at your disposal.