Copper is a required trace metal/mineral for many organisms as with many other chemicals. When in excess these same chemcials can have toxic affects; i.e. salt, vitamins, water, etc. the list is extensive. Lots of scientific info is available on the fate of Cu and other heavy metals in the environment. Cu is on the hazardous chemical list for at least three gov agencies. Its use in lakes and ponds as an algacide has been banned in several states with probably more states to follow suit as more scientific information becomes available. Main problem with Cu as with many other products IMO, is overuse and misuse by irresponsible. unknowing, and uninformed users.
Last edited by Bill Cody; 09/01/11 09:02 AM.
