Can ceramic bar , ceramic ring , ceramic ball use with no filter and what will it give?

[Nuttawet]

Can ceramic bar , ceramic ring , ceramic ball use with no filter and what will it give?

 

[GaryE]

No. It will do nothing more than a rock or a piece of plastic.

 

[Nuttawet]

I heard that it gives bacteria or something....?

 

[GaryE]

You have asked this before and gotten answers. I'm going to lock this thread as this is nonsense at this point.