Archived posting to the Leica Users Group, 2000/06/21

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Subject: Re: [Leica] film washing tips
From: "Dan Post" <dpost@triad.rr.com>
Date: Wed, 21 Jun 2000 08:24:34 -0700
References: <200006200701.AAA03761@mejac.palo-alto.ca.us> <000b01bfdb13$1cda66c0$f481b7d1@tekapo> <3950136C.F5423D61@home.com> <000701bfdb1b$ba1fa820$953d18d1@PACBELL.NET>

If the spots are from limestone or calcium in the water, the rinse in acetic
acid solution- white vinegar or stop bath, should remove them!

- ----- Original Message -----
From: Tom Schofield <tdschofield@email.msn.com>
To: <leica-users@mejac.palo-alto.ca.us>
Sent: Tuesday, June 20, 2000 5:57 PM
Subject: Re: [Leica] film washing tips


> Another thing you may try is something called "pec" for Photographic
> Emulsion Cleaner.  It comes in a small spray bottle.
>
> Tom Schofield
>
> ----- Original Message -----
> From: "Ted Grant" <tedgrant@home.com>
> To: <leica-users@mejac.palo-alto.ca.us>
> Sent: Tuesday, June 20, 2000 6:05 PM
> Subject: Re: [Leica] film washing tips
>
>
> > Dave Fisher wrote:
> > >
> > I  just developed a small tank of three rolls of film, and following the
> wash
> > > discovered that I didn't have any photoflo. The negs dried, but have
> some
> > > ungainly drying spots and streaks on them. What should I do with the
> negs to
> > > get rid of the drying marks? I'm guessing I should rewash for 20-30
mins
> and
> > > then use a little photoflo (which I've since bought). Does this sound
> right,
> > > or is there something better?<<<<<<
> >  Dave ,
> >
> > Your method seems OK, it just depends if the marks you refer to are on
> > the film base or on the emulsion side.
> >
> > If it's on the base it'll probably come off, however you may need to
> > very very gently and lightly squeegee them between two fingers to try
> > and get them off completely.
> >
> > Now the other side!  .....  Emulsion!  That's a whole new ball game.
> > And no amount of re-washing, Photof  lo whatever,  is going to get the
> > marks off,  simply because if they have dried into the emulsion the
> > chances are they are there forever.
> >
> > Maybe others on the LUG more knowledgeable than I on things of this
> > nature will have a solution to cleaning it, but I don't believe I'm far
> off.
> >
> > ted
> >
>
>

In reply to: Message from "Dave Fisher" <tekapo@golden.net> ([Leica] film washing tips)
Message from Ted Grant <tedgrant@home.com> (Re: [Leica] film washing tips)
Message from "Tom Schofield" <tdschofield@email.msn.com> (Re: [Leica] film washing tips)