Potassium Aluminium Sulphate

SKU: 1414100g

Size: 100g
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Potassium Aluminium Sulphate The Photographers' Formulary Potassium Alum is used in Hardening solutions for fixing baths, Ingredient of the hypo-alum toning bath and Clearing bath. Note: Cake alum, found in grocery stores can be substituted for potassium alum.

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