How long does mixed fixer last (analog photography)?

Hello, I developed a roll film on July 18, 2023 and mixed 770ml of fixer for it.

Since you can use this one more often, I kept it.

This is ADOFIX PLUS.

Is it still usable after this time or should I mix it again?

How long can you use mixed fixer?

(1 votes)
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guru61
1 year ago

Hello

forever and 3 days!

🙂

Just do the test before the next development:

Film piece (cut-off piece under the adhesive strip for roll film, or strap on KB film) in fixer and then measure how long it takes until the film is clear.

The double time is the minimum time for fixing.
Relationship with flat crystal films, the 3 times.

If the film is not clear, the fixer is no longer usable.

guru61
1 year ago
Reply to  Moritzmaus2003

please welcome