[alt-photo] Re: Gum...again!

[Loris Medici]

Wow, thanks for the tip Alberto. Clearing in 1 minute? That's
NICEEE... (Of course, it's much better not overexpose, therefore, not
have to use a clearing bath...)

Thanks,
Loris.


2010/5/15 Alberto Novo <alt.list at albertonovo.it>:
> ...
> I have had excellent results without softening the gum layer using a very
> diluted sodium sulphite solution (0.5 g/L) acidified with chloridric acid
> (1-2 cc/L) at the moment of use. This makes the solution stink from the free
> sulphur dioxide, and it will react with the dichromate stain in a few
> seconds. After one minute rinse your prints with plain water (the harder the
> better) or with a pinch of sodium bicarbonate in it just for neutralize the
> excess of acid.