[alt-photo] Re: no shrink, no size tricolor gums

[Trevor Cunningham]

  My exposures are between 1 and 2 minutes only. I'll start with 
decreasing the dichromate and go from there. Thanks!

On 9/14/10 3:30 PM, Loris Medici wrote:
> Have you tried to decrease exposure and/or dichromate strenght? Seems like
> you're overexposure (either too long exposure time or too much dichromate,
> maybe both...) to me.
>
> Regards,
> Loris.
>
>
> -----Original Message-----
> From: alt-photo-process-list-bounces at lists.altphotolist.org On Behalf Of
> Trevor Cunningham
> Sent: Tuesday, September 14, 2010 12:47 PM
> To: The alternative photographic processes mailing list
> Subject: [alt-photo] Re: no shrink, no size tricolor gums
>
> I'm struggling with the yellow layer right now. You know, "flaking" is the
> perfect word for what's happening to me. I soak for about 1/2 hour and while
> it seems the dichromate clears, the gum/pigment stays. So, soaking for more
> time, and a little spray/brushing leads to the unsightly flaking. I got so
> fed up I just started scrubbing yellow off the print. Using DaVinci
> Aureolin. If the answer is in the curve (I'm using David Hatton's gum curve
> from the altphoto site), I don't even know where to begin. I saw a note from
> Christine saying most gum trouble comes from coating too heavy...I wonder if
> that's what I'm doing wrong.
>
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