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Ilford B&W Reversal Processing
| First Developer | ||
| Ilford PQ Universal | 1 + 5 | |
| or Ilford Bromophen | 1 + 1 | |
| add Sodium Thiosulphate | 8 g/litre Pan F / 12 g/litre FP4 & Delta 100 | |
| Bleach Bath | ||
| Potassium Permanganate | 2 g | |
| Water to | 500 ml | |
| Sulphuric acid (conc) - see note | 15 ml | ADD THE SULPHURIC ACID DROP BY DROP TO 450ml OF WATERWITH CARE. |
| Water to | 500 ml | |
| Use 1+1, mix just before use | ||
| Clearing Bath | ||
Potassium or Sodium Metabisulp5hite |
25 g | |
| Water to | 1 litre | |
| Second Developer | ||
| Ilford PQ Universal | 1 + 9 | |
| Fixer | ||
| Ilford Hypam or Rapid Fix | 1 + 4 | |
| First Developer | 20°C 12 minutes | |
| Wash | 5 mins | |
| Reversal Bath | 5 minutes | |
| Wash | 1 minute running water | |
| Clearing Bath | 2 minutes | |
| Wash | 1 minutes | |
| Re-exposure | Expose to 100 watt bulb 18inches/0.46 metres for 30 - 60 seconds |
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| Second Development | 20°C 6 minutes | |
| Wash | 30 scs running water | |
| Fixer | 5 mins | |
| Wash | 10 mins running water | |
| Ilford 2002 |