Quote Originally Posted by aguaguy
I use a Frog inline chlorinator and read on http://www.poolsolutions.com/testkits.html that I should test for copper.
Is this due to the "mineral pack" in it and should I be concerned?
Frog is a silver/zinc system. There will be no copper and there is no easy test for silver in the water.

'Minerals' is a marketing term for metals such as silver, copper, and zinc! They try and make sound more natural than saying they are using silver nitrate to sanitize your water!