[pure-silver] Re: film capacity of stock D-76
- From: Gerald Koch <gerald.koch@xxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Thu, 2 Feb 2012 14:37:03 -0800 (PST)
There are 4 ways of using a film developer.
1 With replenishment using a specific replenisher like D-76R,
2 With self replenishment. A portion of the used developer is discarded and
replaced with fresh developer.
3 Without replenishment but with increasing the development time for each
additional roll or sheet.
4 Using the developer as a one-shot.
Kodek once specified the time increase for option 2 but I don't remember what
it
was. Something like 5% per roll based on 1 liter of developer. The larger the
amount of developer the smaller percentage increase per roll..
Jerry
________________________________
From: Bogdan <bkarasek@xxxxxxxxxxxx>
To: pure-silver@xxxxxxxxxxxxx
Sent: Wed, February 1, 2012 6:56:45 AM
Subject: [pure-silver] film capacity of stock D-76
Hello all,
I've done a Google search and can't find a satisfactory answer.
Yesterday, I developed 20 8x10 sheets of Tri-x 320 (iso 200) in a stock
solution
of D-76 using a 3.5 gal tank and film holders (a first... used to do the tray
card shuffle).
I have 16 4x5 sheets of Efke PL 25 Ortho and 4 sheets of 6.5x8.5 sheets of
T-max that I want to develop today. Question is, can I continue using the same
tankful of D-76 or is it exhausted and do I have to prepare a new batch 0f D-76
to do the Efke and T-max?
Cheers,
Bogdan K
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