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Old 08-28-2013, 09:58 PM   #11
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here's another question: the corners of the tank has this brown stuff. it's definitely not algae or anything. could it be a lack of circulation? i have two powerheads one koralia nano 425 and one aqua clear

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Old 08-28-2013, 10:00 PM   #12
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this is how i placed them

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Old 09-03-2013, 07:46 PM   #13
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Detritus maybe?
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Old 09-03-2013, 07:52 PM   #14
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All so looks like your trying to make turbulent water flow. It won't work by directing your power heads at one an other with out a wave maker to make one go while the other is off. Try positioning them so they aren't fighting each other to much.
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Old 09-03-2013, 08:14 PM   #15
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Quote:
Originally Posted by ivan_dalmatia View Post
All so looks like your trying to make turbulent water flow. It won't work by directing your power heads at one an other with out a wave maker to make one go while the other is off. Try positioning them so they aren't fighting each other to much.
really? i was told by someone here to have the powerheads aimed at each other so that the flow will collide to create a "random" flow. so i'm getting conflicting advices.
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Old 09-03-2013, 08:30 PM   #16
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Originally Posted by huizheng1988 View Post

really? i was told by someone here to have the powerheads aimed at each other so that the flow will collide to create a "random" flow. so i'm getting conflicting advices.
You were told correctly. The colliding flows will create some randomness. Not as much as wave makers but enough.
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Old 09-03-2013, 09:01 PM   #17
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You were told correctly. The colliding flows will create some randomness. Not as much as wave makers but enough.
That's wrong, slightly toward each other so they deflect water,,, not stop one another. That's as close your gonna get to simulate a wave. One into another will make a number 8 motion wich will leave you with lots of dead flow in areas
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Old 09-03-2013, 09:49 PM   #18
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The colliding flows don't cancel each other out. The do indeed creat some randomness of flow. It isn't a wave motion but randomness of flow. I use this in my own tank.
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Old 09-05-2013, 01:04 PM   #19
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There is a rotating replacement cap for those powerheads that slowly rotates and causes a random flow. You only need that on 1 head. About $17, just get the right sized one.
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Old 09-05-2013, 01:09 PM   #20
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There is a rotating replacement cap for those powerheads that slowly rotates and causes a random flow. You only need that on 1 head. About $17, just get the right sized one.
can you provide a link to the deflector you're referring to? i have a Hydro FLO deflector but it won't fit on a koralia pump
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