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Thread: HC-110 discoloration, is it an issue?

  1. #1
    Meat Robot Jay Decker's Avatar
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    HC-110 discoloration, is it an issue?

    Have some HC-110 that has gone from yellow to yellowish-brown. Anyone know what is going on and if it effects the performance of the developer? I've continued using it and it "seems" to work fine...

  2. #2

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    Re: HC-110 discoloration, is it an issue?

    Jay,

    I believe that the brown color is oxidation and in theory this should weaken the developer somewhat. I picked up a many-years-old bottle of already opened HC-110 last year (for free) that was pretty dark brown and after some testing I did not notice a significant difference in my negatives from fresh developer. For anything crucial a test might be in order, but with liquid that concentrated I think you have a long way to go before seeing a reduction in potency.

    Jonathan

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    Re: HC-110 discoloration, is it an issue?

    ditto! My experience too.

  4. #4
    Yes, but why? David R Munson's Avatar
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    Re: HC-110 discoloration, is it an issue?

    In practice, I have not known darkening to have any real-world effect on the developing capacity of HC-110. A couple years ago I found a bottle of HC-110 at a shop in Korea. I bought it, took it home, and upon attempting to mix it up, realized that it had all crystallized in the bottle. This complicated things a bit, but I did get it mixed up. It was darker than usual, too, and got darker still as I used it. But you know what? Still worked great. Kodak should give it a new slogan or something. "HC-110 - the developer that just won't die"

  5. #5
    Meat Robot Jay Decker's Avatar
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    Re: HC-110 discoloration, is it an issue?

    Been using this browish HC-110 to develop Plus-X that expired early 1980's, the negatives are nice.

  6. #6
    rich815's Avatar
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    HC-110 discoloration, is it an issue?

    Mine often gets dark, deep, orange if I've been off using Rodinal for a spell instead. No issues or compromising of the effectiveness that I can tell.

  7. #7

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    Re: HC-110 discoloration, is it an issue?

    After two years of use, my bottle of HC110 shows the reddish/brownish colour, but it has no effect at all (not that I can detect in practice) on the quality, range, fb=fog, etc of the negatives.
    J. K.

  8. #8
    Mark Sawyer's Avatar
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    Re: HC-110 discoloration, is it an issue?

    Likewise, I've found my HC110 to be bullet-proof, though so far the worst bottle is only a middlin' brown.
    "I love my Verito lens, but I always have to sharpen everything in Photoshop..."

  9. #9
    Lost mike rosenlof's Avatar
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    Re: HC-110 discoloration, is it an issue?

    The rumors I've heard, and my personal experience is that a brownish syrup is not a problem. Sort of like discolored Rodinal. Lasts a very long time. The shelf life timer starts running when you add water.

  10. #10

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    Re: HC-110 discoloration, is it an issue?

    I have a bottle that has long since turned very dark orange/brown but still works fine. I did have one roll of film that seemed to take a bit of stain from it but the discoloration came out in the wash. Have not noticed any loss of strength nor any other ill effects.

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