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Michael Heald
30-May-2006, 17:25
Hello! I have some unopened TMax RS developer that is about 2 years old. The instructions state that unopened developer is good up to two years. Should I throw it out, or will it stay good for a while? Thank you and best regards.

Mike

brian steinberger
31-May-2006, 19:55
Michael,

If you have some film that you might be just experimenting with or some film that's been laying around waiting for development then I'd use it up. But if I had some film that was important or I was running tests, I would feel much better using fresh chemicals. Tmax RS only costs what... $13? I'd throw it out and mix up a fresh batch. Remember, consistency is key is photography