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Review Summary
Presulfate of ammonia
Ammonium Peroxydisulfate
Peroxydisulfuric Acid
Diammonium Salt
Diammonium peroxydisulfate
Colorless crystals
White crystalline powder
Odorless
Flattening reducer (i.e., reduces highlight detail more than shadows) and Removes developer stains
(NH4)2S2O8
1lbs (0.45kg)
The Photographers' Formulary Ammonium Persulfate, weighing 1lb, is a high-quality, professional-grade chemical specifically designed for advanced photographic processing. This versatile product serves as an effective flattening reducer, meticulously reducing highlight detail more than shadows to create a balanced, visually appealing image. Additionally, it is adept at removing stubborn developer stains, ensuring your photographic materials maintain their pristine condition. Crafted by the reputable brand, Photographers' Formulary, this durable ammonium persulfate is ideal for photographers seeking a product that meets their unique development and processing needs. Its specific formulation makes it an essential component in the development of both photographic film and paper. Whether you're a professional photographer or a passionate hobbyist, this product is a reliable choice for enhancing your photographic processing routine.