Archived posting to the Leica Users Group, 1999/01/11

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Subject: Re: [Leica] Re: Re: Chalk and Charcoal in HC110
From: Mark Rabiner <mrabiner@concentric.net>
Date: Mon, 11 Jan 1999 13:42:23 -0700

Ken Wilcox wrote:
> 
> >Ken Wilcox wrote:
> >>snip
> >> One of the advantages of what I use is the limited amount of chemical that
> >> is needed. 2 rolls of 35mm (36ex) needs only 8 ounces of chemical, each
> >> additional roll needs 3 ounces more.
> >>
> >>snip
> >
> >What about Fog?
> >Mark Rabiner
> 
> If I understand the question, there is no noticeable difference in overall
> density with constant agitation - at least with the films I use. (I don't
> use T-max of any type)
> 
> Ken Wilcox
> 
I talking about the presence of air which tends to introduce more or
even irregular fog in films... often a problem with dipping and dunking
or otherwise sloshing. I think developers usually need more sulfite to
prevent this but some unusual formulas are not sulfite based or friendly.
Mark Rabiner