PPM does not drop, conductivity drops.
 They are not the same thing and a multimeter is about the worst tool to
measure either.
 A conductivity or even a TDS meter is  a fairly good tool to measure
conductivity, but it doesn't measure PPM...but it can give you some sort of
'idea' what it is even if it's not doing "that".

Using a conductivity meter to get PPM is like counting apples to see how
many oranges you have in a basket.
 Apples and oranges are 'about' the same size...then.. the marbles
[metallic particles and undissolved compounds] in the basket are another
PPM guess which meters are completely blind to.
 You can see 'most' of the marbles with a laser pointer, usually...but no
'numbers' flash out of 'my' eyeballs and there are probably some in varying
quanities that can't be seen that way.

Ode

At 09:15 PM 8/26/2005 +0200, you wrote:
>
>Hello all,
>My name in Benka for this list and others.
>I have been making CS for almost a year now.
>It has come to my attention that CS ppm drops rapidly after stopping the 
>current.
>sometimes putting on the current again results in rapid buildup but also 
>sometimes in dropping further.
>Does anybody know more about this?
>I use homemade distilled water.
>The generator is 30V AC wallplug+ 1 resistor <1 kohm; 2 small rods of 
>silver .9999 and a glass teapot with lid.
>The multimeter starts at o,14mA and I stop at 1,63 which is after 5 hours.
>
>thanks for your thoughts,
>benka
>
>
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