I don't think you are analyzing this correctly.  The filter should remove
bacteria from the water stream, that is irrelevent to whether or not the
filter has silver in it. The problem is that the bacteria which are now
stuck on and in the filter medium can start multiplying.  At some point they
may work their way through the filter, or will produce toxins that can make
it through.  The silver would be to kill these immobilized bacteria.

If the filter is incapable of removing the bactria, then I agree with you.

Marshall

Arthur Rambo wrote:

> It does make sense that just having water "roll by" and make quick
> contact is not enough.
>
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