Filter Media

  1. Neil Skelding Member Member

    For my fluval 305 how offten should i change my media inside Thanks
  2. Lupinus Member Member

    Short answer, you don't.

    When you do filter maintenance just give the media a swish and rinse in tank water to wash away and crud and nastiness and then put it back.

    The sponges should only need replacing if they are literally falling apart or so clogged they can't be rinsed clean.

    All of this stuff, particularly the bio media, house the vast majority of your tanks beneficial bacteria. If you change it all you are doing is replacing this colonized media with barren media that will take time to be colonized with bacteria and be of any benefit.

  3. QQQUUUUAADDD Well Known Member Member

    +1 to Lupinus

    If you do have carbon, then you need to change monthly.

    Other than that, your mech and bio media never need to be changed. Unless, as Lupinus said, they are in VERY bad conditions.
  4. Lupinus Member Member

    True about the carbon, always forget about that lol.

  5. psalm18.2 Fishlore Legend Member

    Dont use carbon and problem solved. Or place in mesh bag for easy removal.
  6. QQQUUUUAADDD Well Known Member Member

    Yea, you could just not use carbon at all. I don't use carbon.
  7. ryanr Moderator Moderator Member

    100% agree with the above.

    The only thing that gets changed in my canister is the fine filter pad (water polishing pad), I probably replace it once every 8 weeks or so.

    I do a rinse of the other media in old aquarium water when I change the fine pad.

  8. Neil Skelding Member Member

    is teh carbon the black stuff lol?
  9. ryanr Moderator Moderator Member

    Yep. Carbon, aka Activated Carbon and Charcoal.