Return

[Socalx45]

So right now I have my return go to one corner of my tank. To improve flow should I branch out and have another return going to the opposite corner?

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[skiingfast]

If you need to you could. That will reduce the flow/head a bit because of increase back pressure but you could probably turn the return pump up to make up for it.

If you have a problem with flow on the other side I'd suggest using a powerhead to take care of it.

 

[ryeguyy84]

Agree with this or use one of those flow enhancers on the return

 

[Socalx45]

I do have 2 powerheads going, one on either side. I just noticed the tanks I have seen that they have 2 return outlets in their tank.

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[Socalx45]

If the tank won't really benefit from it I won't bother

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[mcgyvr]

While not an issue to have multiple returns you can just use powerheads as needed to direct flow..
Its really up to you..

 

[Fdnavy]

I have been researching this same issue. I am setting up a 90mgallon 4' long tank. Apparently 1 return is enough. The powerheads will do most of the work as far as turnover is concerned.