Cube tank.... how are you circulating your water?

[majorstare]

I have a 2x2x2ft cube, mainly SPS.
Aqua scape is dead centre of the tank.

Circulation is by a Maxspec Gyro 130 running constant at 40%, 4" below the water level.
On side wall of tank (not opposite to the Gyro) are 2x Jecod RW4 powerheads, linked, running the wave setting at 100% and pointing slightly to the centre of the tank where the aqua scope/SPS corals are.
Also have the return from the sump running across the tank surface.

Doesn't matter where I put the pumps or power setting, I have dead spots, on the aqua scape and sand bed.

How do people solve this problem in cube tanks?

 

[tom39]

I will be tagging along. I too have a cube (150g 36"x36") that is in the build phase and this question has been since I purchased the tank.

 

[Mark75]

I have a 24 x 24 cube with 2 RW8's linked running 100% on W1 setting and a Mag 5 for return,..I do not have dead spots but I have trouble keeping my sand in one spot.