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  1. #11
    Maine-iac's Avatar
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    I let my cheese ripen, but not my film developer. Mix my 3-ingredient homebrew fresh each time. Takes two minutes, is cheap, and no worries about freshness.

    Larry

  2. #12
    Maris's Avatar
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    My developer is about five years ripe. The one litre working strength bottle of X-tol is replenished at a rate of 90ml of X-tol per film developed. A "film" is an 8x10 sheet, 120 roll, or equivalent. The one litre working strength developer bottle is stored full, no air space. The replenisher is kept in many small bottles with no or minimal air space. This system has reliably and consistently developed several hundred films over the years.

    Actually, of course, with the 90ml/film replenishment rate there would scarcely be an atom of the original mix still in the stock bottle. You could say the developer is "seasoned" rather than "ripe".
    Photography, the word itself, invented and defined by its author Sir John.F.W.Herschel, 14 March 1839 at the Royal Society, Somerset House, London. Quote "...Photography or the application of the Chemical rays of light to the purpose of pictorial representation,..". unquote.

  3. #13

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    Thanks for all the replies... I have a better idea of how to go about this now...

    I only started developing my own film about a month ago... Been quite exciting

    Cheers

    Ivan

  4. #14
    Pragmatist's Avatar
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    Out with the old...

    The replies here on the one-shot runs are giving me cause to think about doing the same. Usually, I have a gallon of stock, and a half gallon of dilution running around. Sometimes as with ID11, I develop stock solution. But by adding Rodinal to my bag of developing tricks I am using much less of the working dilutions of !D11 and Microdol. These jugs are sitting around too long unused for comfort, and have had a few rolls or sheets run through them. Maybe I should be mixing per development run. This might result in more consistent results?
    Patrick

    something witty and profound needs to be inserted here...

  5. #15
    DKT
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    Quote Originally Posted by Maris
    My developer is about five years ripe. The one litre working strength bottle of X-tol is replenished at a rate of 90ml of X-tol per film developed. <<<
    Actually, of course, with the 90ml/film replenishment rate there would scarcely be an atom of the original mix still in the stock bottle. You could say the developer is "seasoned" rather than "ripe".
    I ran a tankline for a year and a half or so with XTOL and did the same thing, but the rate was 80ml for me. after I got seasoned, it ran very well, albeit with a slight loss in speed, as expected. I estimated that I turned it over (volume) about three months or so, and I would filter out the bromide sludge if it got too heavy on the bottom of the tank. I was testing it to see if we could change over from TMAX RS to that, but in the end I stuck with RS. XTOL I think you probably run indefinitely in the tank replenished though...there may be some specific gravity problems and the like eventually, but it seemed incredibly robust as a working developer.

    I run a TMAX RS deeptank line where I work and we go for about 2-3 mos, and then dump & remix. like XTOL you adjust up or down, and use the same soln. to replenish, so it's almost impossible to screw it up. I used to run control strips as well, but using the same chemistry to replenish makes control so much easier, that you don't really have to do that anymore....

    I used to do mini-versions of these tanklines at home using one-gallon tanks, but I quit about a year ago. I wasn't running enough to be economical--I had to replenish at higher rates, and it became more of a hassle really, so I went back to using one-shot HC110. Although I use AB55 as well, and reuse that. I still process film in a tankline though--even as one shot because I can't quite ever see myself going back to a daylight tank....

  6. #16

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    I do one shot as I do not process huge amounts of film thru deep tanks. This can be expensive with some devs, notably DDX or TMAX at 1:4, but both devs can be used at 1:7 or 1:9 with slightly longer times and much greater economy with, if anything, more controllable results. If you want the ultimate in economy off the shelf, HC110 or one of the Rondinal-likes willl do you. If you make up your own pyrocat HD that is a cheap as heck. For personal use, re-using devs makes little sense as you lose speed and unless you are into doing experements to know exactly what changes to make to both exposure and dev time, you are adding variables that wll only work against you....just as you dunk a magnificent image too if Murphy's law has anything to do with it!!!

  7. #17
    Samuel B's Avatar
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    I use all B&W developer 1 shot, but I find my D-76 improves in the first couple of months after mixing it. Of course it only improves up to a point, and then goes downhill.

  8. #18

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    I've been replenishing Microdol for years, I mix it by the quart and throw it out after running a quart of replenisher through it, close to 50 rolls per qt. Being anal about measuring my results have been consistent so far.

    I've went through dry periods when it would take more than a year to use it, and have had no problems. Always filter before returning to bottle.

    Only problem is with Kodak going out of the photography business, its going to get harder find the chemicals, replenisher in no longer made, although Kodak gives a recipe for mixing it from the developer (by adding sodium carbonate) but the replenish rate is different. Haven't had to try it yet, still have replenisher left to mix.

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