Red Toner

Red paper toner

Part A
Water300ml
Potassium Citrate100g
Water to make500ml
Part B
Water200ml
Copper Sulfate7.5g
Water to make250ml
Part C
Water200ml
Potassium Ferricyanide6.5g
Water to make250ml
Mixing Instructions: Add chemicals in specified sequence.
Dilution: Pour Part A into a tray, then add Part B,and finally add Part C. Stir thoroughly at each stage.
Usage: 

Notes 

Immerse prints into toning solution until desired effect is achieved. Wash.