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Originally Posted by lockrookie
i agreee looks awesome . how does it work wth the powerheads facing down like that i dont think ive ever seen that before
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the powerheads work well that way. Basically the 2 MP40's do most of the work, along with the returns... The 2 end Koralia's are #4's on a wavemaker, and the middle ones I believe are #2 or #3's with constant flow. Creating some turbulance and currents through the rockwork (along the back wall, through the rock out the front). As my rock is on the back wall and overflows, the currents through them help in order to not create a poisonous / nitrate area. So it works well!