Placement of Powerheads.

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[enjoyable_attempt]

[enjoyable_attempt]

Fire Eel
MFK Member
Aug 19, 2008
1,397
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68
Cleveland Ohio
I searched this and found some decent results, not the exact answer I'm looking for tho.


What would be a perfect placement of powerheads in my 125g to keep "stuff" off of my sand substrate. I have a strong one on each end pushing towards the center where my filter inlets are, but havnt had good results. Anyone have any working placements in thier tank?
 
My sand stays very clean. I have a Koralia near the surface in the back right corner & an airstone in that same corner on the bottom (as close as possible, but avoid cavitation in the koralia). The airstone lifts most of the gunk up & the Koralia blasts it across the back of the tank, directly into my filter intakes in the back left corner. This is the key: the flow will slow down as it nears the corner, causing just enough turbulence for the intake to suck it up. I've experimented a lot & this is my favorite setup. The only spot that collects stuff is the back corner under the Koralia & its only heavier stuff that my plecos end up fighting over...
 
I second the koralia, I went with (2) koralia 3 upon recomendations here on my 180. As for best placement you need to move them around a bit and find what works best.
 
I have a koralia and a seio (? on spelling), I find that the koralia getting jammed up with the sand more often so I have it a little higher up than the other powerhead. I think it depends as well on what decor you have in the tank. I have three HOB filters and than a fluval 305, and because I have alot of decor I aim the powerheads downwards in dead spots created by the decor so the debris that end up in the dead spots shoot upwards to one of the HOB filters. Even so I could still do a syphoning of the sand twice a week (........but I only do it once a week)
 
JakeH;3509713; said:
My sand stays very clean. I have a Koralia near the surface in the back right corner & an airstone in that same corner on the bottom (as close as possible, but avoid cavitation in the koralia). The airstone lifts most of the gunk up & the Koralia blasts it across the back of the tank, directly into my filter intakes in the back left corner. This is the key: the flow will slow down as it nears the corner, causing just enough turbulence for the intake to suck it up. I've experimented a lot & this is my favorite setup. The only spot that collects stuff is the back corner under the Koralia & its only heavier stuff that my plecos end up fighting over...
Click to expand...


First off, thanks for the adivce.


Well my tank is a 125 as stated, and I have 2 koralia hydor's (4&3), I don't want to put any airstones in the tank and my filter inlets are in the center of the tank, and I can't find a way to place them where the sand stays clean. "Stuff" always ends up clumping up in the small valleys in the sand. Also I have a few amazon swords and rocks as deco. Any new ideas?

And for your set up, I take it your intakes are on the back left hand corner and the koralia is angeled downward along the back of you tank? I doubt this would cover the front of my tank...idk. This is getting frusterating lol.
 
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