Archived posting to the Leica Users Group, 1999/05/20

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Subject: Re: [Leica] Jobo and wash aids
From: "Robert G. Stevens" <robsteve@istar.ca>
Date: Thu, 20 May 1999 14:27:12 -0300

Nathan:

I do E6 and B&W and at times do a dozen or so rolls a week.  I would follow
Jobo's recommendations, as I think they are saying the build up of the
wetting agent will allow the chemicals to build up and cause process
contamination, particularily if you have a Jobo Lift.  As for wetting
agents, I have a 500ml (2 cup) measuring cup I put the wetting agent in and
then split the two halves of the reel and drop the film into the solution.

I have noticed that before I started doing this, the reels were harder to
load and the film seem to bind.  I do not have this problem with my newer
reel which were not subjected to the photo-flo.

Regards,

Robert

At 06:23 PM 5/20/99 +0200, you wrote:
>I am very happy with my Jobo CPE-2 processor but still unsure about one
>thing. Ever since I started doing B&W in the mid-80s, the last step in
>processing film has been a 30-second bath in Photo Flo (without
>agitation). I have never noticed any build-up on my plastic reels, even
>after several years of use.
>
>My Jobo manual warns against bathing the reels in wetting agents,
>claiming that a build-up will result and that this cannot be removed.
>Instead, it recommends bathing the film in wetting agents only after
>taking it off the reel and in a separate tank. This sounds very
>inconvenient and I have so far ignored this advice. However, mine is a
>low-volume operation, perhaps one roll a week. I would like to hear from
>those of you (like Tina) that have processed hundreds or thousands of
>rolls in their Jobo's. What do you do as far as wetting agents?
>
>Thanks!
>
>Nathan
>
>--
>Nathan Wajsman
>Overijse, Belgium
>General photo page: http://members.tripod.com/belgiangator
>Belgium photo page: http://members.xoom.com/wajsman
>
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