Wow. This is just a prove that the concept works. I was thinking of converting my 150g tank to RUGF with canister filter and you gave me a green light.
I was trying to guess the water velocity from your posts but only figured 3 times the overflow pipe height/hour. Just to see what is the minimum speed that can lift all the fish poops up.
BTW, if you put a 'vortex breaker' at the inlet of the overflow pipe instead of the pen, may be it will even be more quite. Something like a thin cross a few inches long inside the pipe. Like what they use in a torrential gutter system.
Off googling for fish poops density.
I was trying to guess the water velocity from your posts but only figured 3 times the overflow pipe height/hour. Just to see what is the minimum speed that can lift all the fish poops up.
BTW, if you put a 'vortex breaker' at the inlet of the overflow pipe instead of the pen, may be it will even be more quite. Something like a thin cross a few inches long inside the pipe. Like what they use in a torrential gutter system.
Off googling for fish poops density.
