Originally Posted by fishman
I have read and heard that the goal to shoot for on any copper treatment is .15 to .20??? is this not correct? .50 seems like a lot!!
For ionic copper you would be correct. Cupramine is not an ionic copper and works best at 0.5 mg
). You should also be sure you are using the corresponding Multi test kit from Seachem as well. Normal copper test kits will not read the Cupramine correctly.