Sand moving from pwr head
 

Has anyone else had a problem of keeping their sand in place? I have a Koralia 8 powerhead on one end in a 6' 260g and its excavating my sandbed into dunes. Anyone have any suggestions - thanks!

I just kept adjusting the placement of the power head until I found a spot that I could live with. For me the spot I had to use was towards the top of the tank pointing slightly along the length of the tank so it follows along the glass and kind of does a cyclone effect but leaves the sandbed fairly still. Sorry I don't have any sure fire ideas.

go BB

x2
get rid of the sand.
Or point flow up it will create a gyre effect and more flow but gentle