Washing Aid

Wash aid for film and paper

Water750ml
Sodium Sulfite (anhydrous)100g
Sodium Metabisulfite25g
Cold water to make1000ml
Mixing Instructions: Add chemicals in specified sequence.
Dilution: 1+4
Usage: Starting point time: 2 mins (slow constant agitation)

Notes 

For shortening washing times and removing film dyes. Similar to Permawash.