Archived posting to the Leica Users Group, 1999/12/09

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Subject: [Leica] Re: Xtol dilution
From: Jim Brick <jimbrick@photoaccess.com>
Date: Thu, 09 Dec 1999 14:09:31 -0800

I've been using TX in Nikor tanks, Xtol 1:3. But I do three rolls in a 1
liter tank (leave the 4th reel empty) and six rolls in a 2 liter tank
(leave two reels empty) and the dev times and neg density seem to be
absolutely normal. It's amazing that 10cc of Rodinal will develop four
36exp rolls of film normally but 250cc of Xtol won't. They didn't formulate
Xtol with Nikor/Kinderman/... tanks in mind.

Jim


At 12:45 PM 12/9/99 -0800, Mark Rabiner wrote:
>> 
>That's why I'm going 1:1 from 1:3 on the 3200.
>My metal tanks are the regular ones which take 2 liters so at 250mls per roll
>I'm under what is recommended by Kodak.
>But in Tri X or Delta 400 it works great and at recommended times! In other
>situations just extending the times makes up for the lack of density.
>But the diachronic fog in some situation indicates to me developing in over
>extended developer and so I dilute less.
>I've run 2 liter tanks with 16 rolls of Tri x in them rolled back to back 2 
>to a
>reel. Those tanks get 19 minutes instead of 12.
>A thought of print throughable fog. But I've stopped doing that. The Xtol is
>worth it…doing more runs. But I've run an awful lot of film that way in many
>other developers. The Xtol is worth it.
>So I'm sticking to 1:3 in most situations 4 rolls of 220 Plus x in a 2 liter
>tank looked great at the recommended time.
>Mark Rabiner