Washing Aid

Wash aid for film and paper

Water750 ml
Sodium Sulfite (anhydrous)100 g
Sodium Metabisulfite25 g
Cold water to make1L

Mixing instructions: Add chemicals in specified sequence.

Dilution: 1+4

Time: 2 mins (slow constant agitation).

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