BelliniFoto Sodium Sulphite (Anhydrous) ~ 1kg

BelliniFoto Sodium Sulphite (Anhydrous) is used to protect developer solutions from oxidation and (as hypo clear solution) to wash fixer (sodium thiosulfate) from film and photo-paper emulsions, and in the creation of many forumlae for Caffenol developers

“>Click HERE for the Data Safety Sheet and ALWAYS use common sense when handling raw chemistry even more than you would with any other photographic chemistry