Susan,

You are making CS but you are running the process too long. The black that
you see is normal for a system that is not under constant agitation.

This is typical of what happens when people do not understand the process.
To know what is going on you really should have a current meter in one of
the cell leads and stop the process when the current reaches about 4 to 5
milliampers.

This black stuff is silver and the correct name for it is "treeing".  It
happens in most electroplating systems and that is   what making CS is.

Do have a larer pointer to check for the tyndall effect? If not get one.

 I know some people say it is very simple but they have been doing it for
years. So to cut the learning time get digital multimeter and learn how to
measure current with it. Then you can control the process.

"Ole Bob:



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