Originally Posted by takadi
Thanks for the tips everyone. I think this was just more of an experimental thing I was thinking of. The tank I have has mostly livestock that prefer cold waters or fast moving waters, so I was thinking of re-creating the river environment, with a cycle of currents. If only there were a way to automatically adjust the flow of the canister filter...
If you want something that recreates different flows, the Eheim Pro 3e series do that as well.