Kodak Stain Remover S-10

Removes fixer stains from clothing

Water750ml
Thiourea75g
Citric Acid75g
Water to make1000ml
Mixing Instructions: Add chemicals in specified sequence.
Dilution: Use undiluted.
Usage: Before use, test a small hidden area of fabric to ensure no bleaching occurs. Thoroughly wet the stain with this solution and wait for it to disappear (usually a few minutes). Old stains may require more treatments and require more time. Fully wash garment after stain removal is complete.

Notes 

Keep thiourea away from all other darkroom materials to avoid fogging.
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