If the film leader didn't clear within a minute, something is wrong. I use Ilford Hypam, which is supposedly similar to Ilford Rapid fixer. After close to 20 rolls of film with the same 2 liter batch of working solution, it still clears a film leader in about 30 seconds. When it starts to approach a minute I discard it and mix fresh.
It should take nowhere near that long to clear. I would follow Simon's advice and take it back.
- Thomas
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