| first filtration. It has already been discussed and accepted by many that the best of both worlds is to HAVE both worlds.....a microscreen in a suitable vortex chamber....the vortex chamber removes the dense particles so the micro strainer only has to deal with the floaters.
now as to where the heavies settle on the bottom......
the movement of the "heavies" to the bottom is as I have already stated. HOWEVER once the particles are on the bottom they are dealing with another dynamic...their interaction with the surface of the bottom. This interaction is different than the interaction of the heavies with the wall because GRAVITY forces the heavies to have a greater friction with the bottom.
And consider this. The heavies will still move if the water movement is fast enough. Yet as the heavies randomly bounce around in a circle if the current is fast enough to move them, and tey will stack up in an area where the movement is slower...just as trash and snow stacks up when the wind moves it.
Now I will stop talking about poop in a never-ending swirling toilet. |