Please help with power head placement

[spiderman097]

I feel so bad, because lately I've had to rely on this forum for help with all my problems and questions :dunce:. So I really really want to thank everyone that's helped me, and hopefully a lot of people learned from my mishaps.

But here's a latest one. Before, I had all of my liverock on the back of my wall, but now I created a kind of 3 dimensional reef for my fish to swim through. Doing this however, has created a lot of dead spots that I'm having a lot of trouble producing flow through. Currently right now, i have 3 powerheads, with 1 more on the way. I have 2 Koralia 750's, and 1 Koralia 1400, but I have so many dead spots that I went and bought a new Koralia 1400.

It made be hard to see in the pictures, but a major dead spot is underneath the tunnel on the right of the tank.

Any is always appreciated. Thank you in advance. The red circles are the dead spots in the tank.

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[crewdawg1981]

First... I LOVE your aquascaping. Thumbs up for sure.

Second, I would have your powerheads facing more towards the surface for two reasons. A) to create more surface agitation for aeration
B) to draw things up towards the surface where they can make it to the overflow.

Just my opinion though.

 

[ripped tide]

I've noticed that if you have mutiple powerheads aimed towards each other or at a shared spot in your aquarium, it will create dead spots. If you try to arrange them so that they dont work against each other but create a circular flow, thats seems to help eliminate the dead zone.

 

[spiderman097]

Still need help with my powerhead placement, if anyone else has any suggestions

 

[mr difficult]

Try to reflect water movement off the front glass. Also keep from pointing at each other. Face returns at front glass then one powerhead low and the other high. I would then try to get a clash of flow towards the center of tank and have the 3rd power head pushing water in circle movement hard to explain.

 

[hnguyen]

Can you provide dimensions of your tank?

 

[spiderman097]

48x18.5x22

 

[smoothie]

You could change the returns and have one from each end giving you a little more. Even hook it uo to a 1" SCWD for more turbulance.
Dead spot on the left side maybe move the powerhead to the back a lil and get some updraft.
Keeping the organics in the water column to get cycled through a quality filtration system is key.