Photographers' Formulary 1lb Aluminum Sulfate Photographic Hardener
Photographers' Formulary
sku: PYALSU1LB
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€ 8.30
Shipping from: United States
Description
The Photographers' Formulary 100g Aluminum Sulfate Can be used as a substitute for alum as a hardener (ratio = 2 parts aluminum sulfate as a substitute for 3 parts alum). Note: Stable under ordinary conditions of use and storage.
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