But Andrew, don't you know that Brita filters are (originally) of Canadian
origin, and therefore aren't approved by the FDA for ANYTHING, and are probably
counterfeit anyway? 880f your negs are going to be ruined in a few years, I'm
afraid.
Earl
*********** REPLY SEPARATOR ***********
On 11/13/2003 at 9:19 PM Andrew Gullen 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
>
>
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