Also remember to follow the directions to a T.....
You will need to keep the proper level of copper in the tank for a sustained amount of timed, meaning, when you do a water change, you will need to treat the new water accordingly to mke up for the copper you will be taking out with the old water.
Also you will need the proper copper test kit to make sure the levels are right on.
Hmm try saying proper copper 10 times real fast!
Can't remember the test kit, ill get back with ya in a min.