— Solution A-
-H2O @ 125’f or 52’c- 75ml
-Hydroquinone- 2.5g
-Potassium Metabisulfite- 2.5g
-Potassium Bromide- 2.5g
+ cold water to make 100ml
— Solution B-
-Cold water- 100ml
+ Sodium Hydroxide- 36g (or Potassium Hydroxide- 50g)
-Mix equal parts of A + B diluted in water immediately before use.