flow

The rear sump of my RSM 130 is level with water across all chambers with no movement. My question is, behind the gate (1st chamber) shouldn't the water have a "Waterfall" effect dropping water down into the chamber from the display section of the tank? I have a Media rack set up behind the gate...

Hi All, I have read threads about flow here, I know most people are adding pumps, I have a couple of Koralia on hands. I think that my main problem, though, is that the flow from the main RSM250 (on the left in the pic) is wasted. The problem is that I have Aquaroche Tower on the left that is...

So the guy at my lfs said to not use filtration while using chemiclean for 2 days (when chemiclean is done working.) So i was turning off my filter on my biocube 29 when i realized that the filter and air pumps are connected! So then i asked myself about if my fish will die without flow (I also...