I have an Eheim 2026 canister filter on my newly set up 75 gallon and it came with these thin carbon pads to put in the top of the filter. I remember reading about what carbon does in the filtering process and cannot find or remember the specifics.
I have not been using the carbon yet. Can someone remind me why I should use them or when?
I have not been using the carbon yet. Can someone remind me why I should use them or when?