Part A | ||
Water | 750 | ml |
Hydroquinone | 25 | g |
Potassium Metabisulfite | 25 | g |
Potassium Bromide | 25 | g |
Cold water to make | 1000 | ml |
Part B | ||
Cold water | 750 | ml |
Sodium Hydroxide | 36 | g |
Cold water to make | 1000 | ml |
Mixing Instructions: Add chemicals in specified sequence. When mixing due to the risk of heat reaction make sure to dissolve sodium hydroxide (or potassium hydroxide) in cold water only. |
Dilution: Mix equal parts A+B immediately before use. |
Usage: Starting point dev time: 3 mins. |
Notes 50 grams of Potassium Hydroxide can be substituted for the 36 grams of Sodium Hydroxide specified in this formula. |