Hey guys, quick question:
I recently purchased and added a Fluval 406 to my 55gal tank. I've had a HOB Marineland filter with the "rotating media things" in the front. How long should I run both filters simultaneously in order to establish the media in my canister? I set up the media as described in the media set up thread, but would like to move the HOB back to my 20L tank. What do you think?
Edit: The HOB has been running for about 3 months and is established as far as I can tell.


