Alkaline fix for use with PMK and other processes
| Ammonium thiosulfate (58-60%) | 800ml |
| Sodium Sulfite (anhydrous) | 60 g |
| Sodium Metaborate | 5 g |
| Distilled water to make | 1L |
Mixing instructions: Add chemicals in specified sequence.
Dilution: 1+4
Notes: Fix for 3x clearing time. This formula is faster than older hypo-based fixers, but takes longer than an acid-based fixer.
