| Monomethyl p-aminophenol sulfate | 2.0 g. |
| Sodium sulfite, anhydrous | 90.0 g. |
| Hydroquinone | 8.0 g. |
| Sodium carbonate, monohydrate | 52.5 g. |
| Potassium bromide | 5.0 g. |
| Water to make | 1 liter. |
| The development time was 3 min. |
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