Seachem Reef Trace

[save a fish, eat chicken]

This stuff contains copper, what's the deal?

 

[madd catt]

Copper is there in trace amounts only in natural seawater thats most likly why its there in seachems product.

 

[save a fish, eat chicken]

But momma says copper is the DEVIL!!!!!!
I have read on this board that even undetectable trace amounts of copper is bad for inverts, like whenever someone want to convert from freshwater to a reef, they are warned about residual copper from previous medications.