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Hello again,

I'm wondering if I have too much flow. The Perc I have never seems to go lower than 3..4" from the top of the tank. He also stays to the front of the tank. I've had him for 3 weeks. He eats well. Great color.

This is what I'm using...
Mag-Drive 7 Sump pump - 700gph
1 - MaxiJet 1200 PH with a Hydor Flo rotating water deflector - 295gph
2 - Seio 620 PH's - 620gph

That is an "advertised" rating of 2235 gph in my 75 gallon tank.

Here is a picture of my current set-up. It shows the aiming and the locations of my PH's...and the sump return

 

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I have an advertised rating of 6000 gph in my 220 and everything does fine, in fact I am thinking about adding a couple of seio's to get more flow in the back of the rock towards the bottom.
 

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RIP Steve Irwin
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2x6100 and 2X 6060 Tunzes
9520 GPH in a four foot tank without including my return, (mag 18) and my clownfish are always on the bottom where the flow is slightly less. The tangs love it though.
 

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7350 in my 75 I think you are fine:)
 

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Definitely not too much flow-

Like winger- there are people running 100-150 times turn over rate via Tunze's and closed loops. Don't plan on having any sand though....but who needs it. :funny:
 

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flow

I have an easy 18,000 gph in my 300 gallon tank. Probably more. As long as it is random and not blasting a specific coral it is hard to have to much flow for sps
 

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i laugh at the puny seio lol jk YOU NEED MORE FLOW
 

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