New Life Spectrum fish food and copper

[Myka]

It's not like rat poison though...that's a poor example. Copper is needed in the body's normal functions. Of course an overdose is detrimental. A better comparison would be to red wine. Sure, a glass a week is actually quite good for you, but you can kill yourself by ingesting it everyday.

Although I am interested in the OLS theory. I would just like NLS to confirm an actual amount of copper present.