Quote Originally Posted by MrSkumFrog View Post
I did the first dose of copper; however, copper levels aren't showing up yet. I'm curious if my skimmer is skimming out the copper...
The skimmer shouldn't remove copper. If you dosed and you show no copper on a test kit, either you didn't put copper in, or the test kit is bad. Copper shouldn't "go bad". Unless you have carbon or other media running somewhere. I use an ammonia alert on my qt.