Never put in the freezer, fridge is the best. Freezing will ruin the developer.
Longevity? I don't have an answer for that.
The Noteworthy Ones - Mamiya: 7 II, RZ67 Pro II / Canon: 1V, AE-1 / Kodak: No 1 Pocket Autographic, No 1A Pocket Autographic
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