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  1. #1
    Eric Rose's Avatar
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    I have an opened bottle of HC110 concentrate. What is the shelf life of this stuff once opened?
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  2. #2
    Les McLean's Avatar
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    I've used it two years after opening the bottle with no noticeable effect on the film. This was the thick syrupy stuff not the pre-diluted version.
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  3. #3

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    I used some 4 years after opening, works fine. I think the concentrate lasts forever.

  4. #4
    Eric Rose's Avatar
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    That's kind of what I expected. Must be really evil stuff!!
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  5. #5

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    </span><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (EricR @ Mar 14 2003, 09:17 PM)</td></tr><tr><td id='QUOTE'>Must be really evil stuff&#33;&#33;</td></tr></table><span class='postcolor'>
    Rodinal has been reported to be still usable after 40 years in an opened bottle. This is real evil, because it turns deep black after several years.



 

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