Re: gum redevelopment

Keith,
I found out that I can't use properly again the paper treated with Clorox.
It just does not print reliable.
What about you?
Giovanni
----- Original Message -----
From: "Keith Gerling" <Keith@gumphoto.com>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Thursday, July 08, 2004 12:03 AM
Subject: RE: gum redevelopment

> Chris,
>
> I've never found it possible to redevelop a print with water, hot or cold,
> after it has dried. And believe me, I have tried.
>
> On the other hand, I do occasionally use ammonia and Clorox to whack away
at
> the gum on a dry print. The results vary, as you can imagine.
>
> Keith
>
> -----Original Message-----
> From: Christina Z. Anderson [mailto:zphoto@uslink.net]
> Sent: Wednesday, July 07, 2004 7:46 PM
> To: alt-photo-process-l@sask.usask.ca
> Subject: gum redevelopment
>
>
> Hi all,
> List has been somewhat quiet as of late, and since I'm not worried
> about editioning until I get as famous as Ansel Adams (aw gees, ya betcha
as
> Minnesotans say), I thought I'd broach a different subject.
> How 'bout a poll to all you gum printers out there:
> It is sometimes suggested that after a print has dried completely,
and
> even after some time, you can resoak and redevelop it, if needs be.
> Demachy said that the suggestion to do this is really a half truth,
as,
> for one, the shadows are more soluble than the highlights in this state,
> etc. etc.
> My poll: how many of you use this technique? If so, are you using
> warm water and/or an alkali like ammonia or bleach? And how long after the
> print has been dried (e.g.1 day vs 2 weeks or whatever)? How often do you
> use it/how good a suggestion do you consider it?
> I personally find the suggestion promises more than it delivers. It
> wouldn't be my first suggestion of choice, which is why I am interested in
> hearing from those of you having success with this troubleshooting method.
> With ammonia (15ml to a liter of warm water on a month old print) it does
> solubilize the gum, but not as effectively as I would hope.
> Chris
>
>
Received on Wed Jul 7 21:08:50 2004