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  1. #1
    Tony-S's Avatar
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    Stability of TD-3?

    Can anyone tell me the shelf-life of TD-3 developer in its stock bottles? I'm trying to decide if I should buy the small or medium sized packs.

  2. #2

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    Your best bet is to call or email Photographers' Formulary. The formula I have for TD-3 is obviously not the same one used for the commercial product (mine is single solution, but the commercial product comes as two stock solutions), but the description is similar. Since the formula I have calls for very little sulfite, I suspect the life would be limited.

  3. #3
    Tony-S's Avatar
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    I had to download their catalog. Looks like it's stable for 1 year as concentrates.



 

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