Non-Staining Print Reducer

To clear highlights in prints

Part A
Water500ml
Thiourea15g
Sodium Thiosulphate (Hypo)700g
Water to make1000ml
Part B
Water200ml
Potassium Ferricyanide75g
Water to make250ml
Mixing Instructions: Add chemicals in specified sequence.
Dilution: Add 5 parts of Part A to 14 parts Water then mix A and B in equal quantities.
Usage: 

Notes 

You can slow the effect down by diluting this solution 50/50 with additional water. This reducer is highly recommended if you are using Farmers bleach on prints and wish to switch to something just as versatile but without the stain that Farmer's produces at strong dilutions.