Re: Filter bacteria and tap water


Marco Schwarz wrote:

The thicker the colony the worse the supply (food, O2) of
the inner bacteria. The worse the supply the worse its
adhesive force. The inner bacteria first become inactive,
and later they lose its adhesive force and a bacteria-flake
leave its position.

This is why high-performance biomedia (e.g. bioballs, fluidized sand
filters) are made of smooth material. When biofilm is allowed to grow
thick, bacterial growth slows, and the filter performs suboptimally. A
smooth material will keep the bacterial film thin and at optimal
growth, as it's continually sloughing off the film.

That said, the author of that article severely overstates his case,
IMO. Biofilm is anything but indestructible. And not all bacteria
survive desiccation either, especially not for a year.

.

Relevant Pages

  • Re: Filter bacteria and tap water
    ... The inner bacteria first become inactive, ... and later they lose its adhesive force and a bacteria-flake ... as it's continually sloughing off the film. ...
    (rec.aquaria.freshwater.misc)
  • Re: Filter bacteria and tap water
    ... or batched of inner and outer bacteria. ... The water bring food so ... The inner bacteria have no water contact ... outer bacteria didn't eat. ...
    (rec.aquaria.freshwater.misc)