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Subject: Re: Precipitate in fix bottle



"Anthea" wrote in message
> After an unintentional extended absence from my darkroom, my paper fix
> concertina bottle is full of a dark grey precipitate which is insoluble
> in water.

Farmer's reducer will get it out: Dash of p. ferricyanide and
a splash of fresh fixer; shake well.

If there is a yellow precipitate it can be removed with
lye / s. hydroxide - this takes a while and needs to be warm/hot
to work.


--
Nicholas O. Lindan, Cleveland, Ohio
Consulting Engineer: Electronics, Photonics, Informatics.
Remove blanks to reply: n o lindan at ix . netcom . com
f-Stop enlarging timers: http://www.nolindan.com/da/fstop/



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