2 koralia 750gph for a 135g tank?

[FishNCash]

If you want to remove poops then you need to point to the bottom. I used to run a k4 1200gph so your 1400 gph is plenty.


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[evilobster]

so where do you place them? just wondering because i have a 135 and 1 koralia 750 gph

 

[eklikewhoa]

If you want to remove poops then you need to point to the bottom. I used to run a k4 1200gph so your 1400 gph is plenty.


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I don't like pointing anything to the bottom, I prefer to have enough flow to create an undertow and have my outputs pointed across the water surface to also ripple and create surface agitation, it also helps with protein buildup on the surface.

 

[japbart]

I don't like pointing anything to the bottom, I prefer to have enough flow to create an undertow and have my outputs pointed across the water surface to also ripple and create surface agitation, it also helps with protein buildup on the surface.

The fx5 makes ripples on the surface on my tank. How do you create an underflow? Should i buy 750 or 1400? How many should i have?


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