Hi
I saw this thread
http://www.fnzas.org.nz/fishroom/viewtopic.php?f=28&t=24585&hilit=Filter+Canister&start=30
the other day and I was pondering on building it. :dunno: so to my understanding it is just the suction of the filter sucking in water and pushing it out? So I was thinking of having a grate about a 1cm under the power head, so the media does get caught up on the filter. then under the grate sponge, then bio noodles then maybe another sponge? Its for a 30L tank and I was thinking of a 300L/h pump, which is 10x turnover so it should be enough.
Does anyone have any suggestions for improvement?
Thanks
Matt