Water movement

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Kyel3840

Black Skirt Tetra
MFK Member
Jul 30, 2017
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In my 150 gallon. I have an fx6 and a AquaClear 110. Is that enough water movement or should I add a hydor koralia evolution power head. It has CA cichlids in the tank
 
Are you having issues in the tank with stagnant areas or oxygenation? If not, it's one of those "Do what you want" things. If you're just looking to add additional flow to the tank, then I'd add a second AC 110 just to have the extra filtration, but that is completely up to you.
 
i would just put the ac110 on the left of the tank somewhere so the intake is towards that corner. then put the fx6 intake deep and on the right. that should circulate the tank pretty well.
 
There are Central American cichlids that (in nature) come from strong flow environments, and some that come from low flow environments.
I usually try to base the flow in my tanks on the type environments, the type of cichlid I keep, comes from in nature.
Many riverine species come from areas where a wall of water is moving at millions of gallons per second, and are unphased by any paltry movement I can provide with a pump or filter.
Others live in oxbows or lakes where this is not the case.
In some of my tanks, the flow is strong enough that plants cannot stand straight, and for some species, this has an effect on how aggressive they are with each other, soon after that flow is reduced, they start killing each other, if the flow is maintained aggression is minimal.

Using the term Central American is too vague a term to answer your question with any certainty because species come from a wide range of environments.
 
I usually have a decent amount of water flow in my tanks. Instead of power heads I'll accomplish it by filtration. When running canisters I'll accompany them with HOB filters. None of my tanks are drilled so I run canisters and HOB's on all my larger tanks for water movement. My 125 I run and Fx-6 and two Aquaclear 110s. My 220 I use a ehiem 2262, Fx-5 and three Aquaclear 110s. But if I was running a sump I probably would have some power heads in the tank.
 
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