Too much flow?

gemini aquarius(t)

Always Learning
Excuse the noob question please

Looks like there is A LOT of flow in there, even though its only 35x turn over.

Im running 2 tunze 6025s on the 24x24x20 tank, and it is really hard to get the sand to not get mounded on one side or the other.

Here is a little video, Iphone quality, but you get the idea

 
I moved two of my pumps further down, on the glass to help alleviate that problem. That way they're blowing straight across, rather than down at the sand. It took some fine tuning to get the flow onto the corals and just lightly touching the sand but it has worked out fairly well
 
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