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Old 11-16-2010, 06:31 AM   #1
captnick86
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Powerhead Placement


I wanted to ask about powerhead placement because I keep getting a lot of crap in my sand and want my tank to be as healthy as possible. I have a standard size 60 gallon (48" x 13" x 24") L W H. My return pump is pumping 350 gph and I have 2 powerheads. 1 is a aqueon 750 gph and the other a koralia 600. The picture attached shows my return in the top right and the aqueon at mid left. Since this picture I have added two clowns and 5 frags

Specs:
60 Gallon tank
256 w t5ho
13 gallon sump
MarineLand 100 Protein skimmer
1 750 gph power head
1 600 gph

70 lbs LR
40 lbs LS
1 cleaner shrimp
2 turbo snails
4 red legged crabs
4 blue
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Old 11-16-2010, 07:32 AM   #2
tcamos
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I so much depends on the tank and the rock etc. Personally I like my powerheads on the end of the tank shooting down the length of it. I point one up, enough that it agitates the surface a bit, and one down, not so much down that it blows the sand.

I know many people who put them on the back of the tank and do the same thing.
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Old 11-16-2010, 07:41 AM   #3
captnick86
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Originally Posted by tcamos View Post
I so much depends on the tank and the rock etc. Personally I like my powerheads on the end of the tank shooting down the length of it. I point one up, enough that it agitates the surface a bit, and one down, not so much down that it blows the sand.

I know many people who put them on the back of the tank and do the same thing.
Thanks for your input. One thing I forgot to mention. My return makes a lot of flow on the top. It goes so fast it just pushes the water to the other side where my overflow box is. It almost goes straight into the overflow
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Old 11-16-2010, 07:56 AM   #4
tcamos
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That's good, with that much surface agitation you shouldn't need to point a pump upward then.

I take a fishing bobber and tie it to a bit of live rock so that it has enough string to float on top of the water. I put that in different parts of the tank to see how it is moved about. I then wrap some of the string around the rock to make it shorter so the bobber floats and the rock holds it underwater, do the same thing. Then shorten the string a third time and repeat. So once for surface (you could probably skip this) once for middle and once for lower in the tank.

If you find spots where it doesn't move so much, that's a good indication of where to point a power head. You can play around in this way until you get it so you don't have dead spots in the tank.
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Old 11-16-2010, 08:01 AM   #5
James Robert
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Place the one on the left, to bounce off front of glass, pointing down just enough not to stir up sand. Place other power head on the rightside. This is the side your return is on. So place it near the top on side of tank closer to the front, pointing down the back lenth of tank,\. Again slightly pointing down. Return where ever you see that not getting movement. That type of flow will be slow enough for soft corals and some LPS.
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Old 11-16-2010, 09:05 AM   #6
captnick86
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Place the one on the left, to bounce off front of glass, pointing down just enough not to stir up sand. Place other power head on the rightside. This is the side your return is on. So place it near the top on side of tank closer to the front, pointing down the back lenth of tank,\. Again slightly pointing down. Return where ever you see that not getting movement. That type of flow will be slow enough for soft corals and some LPS.
Should the one on the left be as high as one on the right. Wouldn't this cause a whirlpool? Also, do you turn off your pumps when feeding?
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Old 11-16-2010, 10:34 AM   #7
James Robert
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No on the whirlpool efect, because it ends up bounceing off glass and rock,and the return throughs it off. The one on the left if its not blowing sand, it can stay where you have it. But if so move it up very little. I have a 60 and a 90. The 60 is same size as yours. Its been running About 4 yrs.
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Old 11-16-2010, 11:01 AM   #8
captnick86
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No on the whirlpool efect, because it ends up bounceing off glass and rock,and the return throughs it off. The one on the left if its not blowing sand, it can stay where you have it. But if so move it up very little. I have a 60 and a 90. The 60 is same size as yours. Its been running About 4 yrs.
Ok, thanks. Do you leave your powerheads on when feeding?
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Old 11-17-2010, 12:24 PM   #9
RocketSurgeon
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Originally Posted by tcamos View Post
That's good, with that much surface agitation you shouldn't need to point a pump upward then.

I take a fishing bobber and tie it to a bit of live rock so that it has enough string to float on top of the water. I put that in different parts of the tank to see how it is moved about. I then wrap some of the string around the rock to make it shorter so the bobber floats and the rock holds it underwater, do the same thing. Then shorten the string a third time and repeat. So once for surface (you could probably skip this) once for middle and once for lower in the tank.

If you find spots where it doesn't move so much, that's a good indication of where to point a power head. You can play around in this way until you get it so you don't have dead spots in the tank.
Thanks
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Old 11-17-2010, 01:32 PM   #10
James Robert
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Sorry, Missed that ? Yes ,i leave pumps on when feeding. Makes fish work for it. jrl
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Old 11-17-2010, 01:42 PM   #11
RocketSurgeon
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I leave my powerheads on, but turn off my return pump. I leave the skimmer running in the sump.
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Old 11-17-2010, 03:13 PM   #12
captnick86
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I leave my powerheads on, but turn off my return pump. I leave the skimmer running in the sump.
Why do you turn off the return?
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Old 11-17-2010, 03:35 PM   #13
RocketSurgeon
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Why do you turn off the return?
By turning off my return, it limits food going over the coast to coast overflow.

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Old 11-17-2010, 08:52 PM   #14
captnick86
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Originally Posted by James Robert View Post
Place the one on the left, to bounce off front of glass, pointing down just enough not to stir up sand. Place other power head on the rightside. This is the side your return is on. So place it near the top on side of tank closer to the front, pointing down the back lenth of tank,\. Again slightly pointing down. Return where ever you see that not getting movement. That type of flow will be slow enough for soft corals and some LPS.
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Old 11-17-2010, 08:54 PM   #15
captnick86
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Originally Posted by James Robert View Post
Place the one on the left, to bounce off front of glass, pointing down just enough not to stir up sand. Place other power head on the rightside. This is the side your return is on. So place it near the top on side of tank closer to the front, pointing down the back lenth of tank,\. Again slightly pointing down. Return where ever you see that not getting movement. That type of flow will be slow enough for soft corals and some LPS.
Hopefully this will stop my sand from turning brown and my glass turning yellow
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