on 11/13/03 6:19 PM, Andrew Gullen at andrew.gullen@xxxxxxxxxxxx wrote:
> I use a Brita filter for water I'm making up solutions with. It has a cation
> exchange resin only, so non-volatile salts are converted to low-molarity
> acids, which are completely drowned out by the acids or bases in the
> ingredients. If I had a *lot* of sulphate I might worry about my final rinse
> with wetting agent, but we don't. You could use demin/distilled if so.
>
> Some carbon sometimes comes out of the filter, but it's in chunks which I
> leave out. There could conceivably be carbon dust too, but I've never found
> any on the negs, so that seems to be a non-problem.
>
> Seems to work fine and could hardly be easier - same filter as for drinking
> water.
>
> Andrew
>
When I did darkroom work the community college provided the chemicals, but
if/when I do mix them myself I think I'll buy gallons of distilled water,
its not too expensive and why not be sure of the purity...?
--
Jim Brokaw
OM-'s of all sorts, and no OM-oney...
< This message was delivered via the Olympus Mailing List >
< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
|