Rosesrblu1
Aquarium Advice Freak
- Joined
- Apr 9, 2012
- Messages
- 432
Ok, so the filter pad is called a polyfilter and you put it in you filter and let it run. If your tank has copper it will absorb it out and the pad will be blue, not the water. I use it to remove copper from my QT tank after treating for ich. Good luck!!!