On 4 Apr 2005 18:28:03 -0700, "narke" <steven.TakeThisOut@lczmsoft.com> wrote:
>Keith Wrote,
>
>> In a previous thread, you mentioned that you wanted to make D-76 from
>scratch and that one litre of stock solution might be too much for you
>because you only shoot around two rolls of film per month, if so , why
>are
>you using a large tank?
>
>Thanks for you remember my previous posts. I'v bought a AP tank which
>is 650cc for 2 reel. 650cc is great than 16 oz (the upper bound of
>small tank according to Kodak's publish) and less than 1/2 gallon ( the
>lower bound of large tank). Since the AP tank is not cheap, so I can
>not switch to a real small tank, that's my pain. And, because I am a
>newbie, so I do not want to bother myself to make a D-76D Replenisher.
> Can you tell me 650cc is a small or large tank? Throw off 650cc
>solution is a little waste to me because I got only a liter stock
>bottle, it can only provides 3x650cc with respect to 1:1.
>
>-
>narke
apr1305 from Lloyd Erlick,
The tank you have is not far from an ideal size for the type of work
you are doing. Actually, 'ideal' would be hard to define in this case.
You tank gives you the choice of developing one or two rolls at a
time, which is a good arrangement. If you care to develop only one
roll, it would be best to put an empty reel on top of the loaded reel,
so when you invert the tank to agitate the bottom reel stays on the
bottom. If you only develop one roll of film, you only need the amount
of developer required to cover the reel, or roughly 300 - 350 ml. (A
ml is a milliliter, equivalent to a cc, or cubic centimeter.) I often
develop ten rolls at a time in a tall tank, and I use three liters of
solution, or 300 ml per roll. I find this very convenient, and your
tank is basically the same idea.
Replenisher is an academic interest for most of us. If you use huge
amounts of film, and must frequently develop them at short notice,
then it is good to have a line of tanks ready at all times. Developer
stored and used this way will need frequent replenishment. I have
never used replenisher. Diluted developer, used one-shot, is much more
economical for my relatively low volume of work, and it is also much
easier to achieve consistent results than attempting to use a
replenisher system at such a low volume of work.
If you ever decide to get more deeply into using film, and developing
it yourself, it is much cheaper to make your own developer (such as
D-23, which has fewer ingredients than D76) from raw chemicals. The
other side of this idea, though, is that you must by quantities of
each chemical and store them. So there would be an initial investment
that pays off slowly in the form of cheaper development over a long
time. Developing one's own film can be extremely economical.
Also, if you ever become a heavier user of film and need to develop
many rolls, you could explore processing them in open tanks, working
entirely in the dark. I do this routinely, and find it very
convenient, and cheap!
regards,
le
________________________________
Lloyd Erlick Portraits, Toronto.
voice: 416-686-0326
email: portrait.TakeThisOut@heylloyd.com
net: <a style='text-decoration: underline;' href="http://www.heylloyd.com" target="_blank">www.heylloyd.com</a>
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